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Q: Find the domain of each of the functions below. f (x) = 5x^2 +2x −1 f (x) = 1−2x^ 2 f (t) = 4/ t

A: Given information:The given function is shown below:a) f (x) = 5x^2 +2x −1b) f (x) = 1−2x^ 2c) f (t)...

Q: 0.08x+0.09(9,000-x)=750 how do you solve equation

A: To solve the equation, PEMDAS rule is used to simplify the equation and then the variable is isolate...

Q: A Web music store offers two versions of a popular song. The size of the standard version is 2.4 meg...

A: Given:The size of the standard version is 2.4 megabytes (MB). The size of the high-quality version i...

Q: #25 The speed of a plane in still air is 280 mph. Flying against the wind, it can fly 600 mi in the ...

A: Le the speed of wind is x miles/hour. The speed of the plane in still air is 280 mph\'. Then speed ...

Q: The drag force F on a boat varies jointly with the wet surface area A of the boat and the square of ...

A: Drag force F directly varies with surface area A and square of the speed s.Wet surface area of boat ...

Q: Solve for m

A: Divide both sides by "a" first.

Q: Last year, Isabel had $20,000 to invest. She invested some of it in an account that paid 7% simple i...

A: Given:Isabel had a total amount of $20,000 to invest.One of her invesetment gave her a 7% interest a...

Q: Solve the inequality using a graphing utility. X+ 1 s2 X- 2 Graph the given inequality using a graph...

A: Calculation:Use a graphing calculator and obtain the graph of the given rational function as shown b...

Q: #9 Directions: Write the equation of the line in S.I. and S.F.

A: It is given that the equation is passing through the point (6,-4) and perpendicular to the line x-4y...

Q: With the wind, a plane flew 425 miles in the same time that it took to fly 375 miles against the win...

A: Let x denote the speed of the plane. The speed of the plane with the wind is x +10 and the speed of ...

Q: Use the Intermediate Value Theorem to show that the polynomial f(x) =2x"-11x +4 has a real: zero bet...

A: We have to find f(-2) f(-2)=-8

Q: Solve for x: e^ x^ 2+6 = e^5x

A: Given expression is

Q: Determine the domain of the function f (x) = x − 2x + 8

A: The given function is f(x) =x–2x+8.

Q: Answer the following questions about the equation below. 12x3 +53x-34x + 5 = 0 (a) List all rational...

A: We are given an equation as

Q: The US and China together produce 5.9 million tons of e-waste each year. About 0.7 million more tons...

A: Given information:The US and China together produce 5.9 million tons of e-waste each year. About 0.7...

Q: The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve ...

A: Given: The Force (F) that is needed to keep a car from skidding on a curve varies inversely as the r...

Q: Steve and Nicole entered a double-decker bus in London on which there were 5/8 as many men as women....

A: Given information:Steve and Nicole entered a double-decker bus in London on which there were 5/8 as ...

Q: Evaluate the expression without using a calculator. log 2 log2- Enter your answer in the answer box....

A: We first use exponent rule of logarithm. The exponent becomes coefficient.

Q: The worldwide sales in millions of hand-held PCs can be modeled by the function P(x) 1.85(x 1998) + ...

A: The given sales function is P ( x ) =1.85(x–1998)+4.

Q: O LINEAR EQUATIONS AND INEQUALITIES Paul Solving a value mixture problem using a linear equation Esp...

A: Let x be a number of pounds of type A coffee.Here, total number of pounds is 155 and two types of co...

Q: The midpoint of PQ is M (4, -3). One endpoint is P Find the coordinates of the other endpoint, Q. (7...

A: The given system is,

Q: Multiply. Use the distributive property. -2(2a-4b)

A: The given expression is –2(2a–4b).

Q: For 1-5, use the following function and use proper set builder or interval notation when appropriate...

A: The domain of the function is the values of x. And we have -3<= x <= 2 and x>2. Combining t...

Q: Chemistry: How much acetic acid is in a 15-liter container of acetic acid and water that is marked ...

A: It is given that, the container contains 15-liters of solution and the given solution contain 60% of...

Q: Find all real zeros of the function f (y) = 4y^ 3 +3y ^2 +8y +6

A: Find the all real zeros of the given function.

Q: Find f(g(x)) and g(f(x)) and determine whether the pair of functions f and g are inverses of each ot...

A: The given functions are,

Q: 21 of 30 (4 complete) This Question: 1 pt f Then determine the domain for each function. g Given f(x...

A: Consider the provided functions:

Q: A and B are sets of real numbers defined as follows. 4 = {x | x > 3} Bx|x5 Write A n B and A UB usin...

A: Click to see the answer

Q: How do you solve 1/2 +12/x2 > 5/x

A: The given inequality is,

Q: A chef at a local diner wishes to increase the amounts of ingredients shown below to make a proporti...

A: The proportion of black beans to tomatoes in the original recipe is 1 1/2 to 1. The new recipe has ...

Q: Suppose that the functions q and r are defined as follows. =q(x)=−x r=-2x^2+1 Find the following. (r...

A: In this question we have two functions q(x) and r(x), for which we have to find (roq)3 and (qor)3

Q: If two opposite sides of a square are increased by 12 meters and the other sides are decreased by 10...

A: Given that two opposite sides of a square are increased by 12 meters and the other sides are decreas...

Q: Solve the system. If there is no solution or if there are infinitely many solutions and the system's...

A: The given system of equations are,

Q: Slope -2 through (-3, 1)

A: Point‑Slope equation:

Q: #21 when the wind is blowing at 25mph, a plane flying at a constant speed can travel 500 miles with ...

A: Given:The rate at which the wind is blowing is 25mph.At a constant speed a plan can fly 500 miles at...

Q: A motorboat travels 216km in 4 hours going upstream and 520km in 5 hours going downstream. What is t...

A: let the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then:Speed...

Q: Find the vertex, y-intercept, and x intercepts of the quadratic, and then graph it. y = -x2-4x-3

A: Find the vertex of the quadratic.

Q: Begin by graphing the absolute value function, f(x) = |x|. Then use transformations of this graph to...

A: Given:The function f(x) = |x|.

Q: Solve the system. If there is no solution or if there are infinitely many solutions and the system's...

A: We have been given a system of linear equation in 3 variables that we need to solve.

Q: For each equation, determine whether it represents a direct variation, an inverse variation, or neit...

A: a)The given equation is 21x+3y=0.Rewrite 21x+3y=0 as follows.

Q: A laptop computer is purchased for $1850. After each year, the resale value decreases by 25%. What w...

A: A laptop is purchased for $1850. After each year, the resale value decreases by 25%.Let the resale v...

Q: Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.

A: The expression is given by,

Q: Use properties of logarithms to condense the logarithmic expression. Write the expression as a singl...

A: We first use the exponent rule of logarithm. Coefficients become exponents.

Q: Solve and graph the solution on a number line

A: We are given an inequality as

Q: Find the horizontal asymptote, if any, of the graph of the rational function. 10x2 gx)= $2 5x+8 Sele...

A: This graph has horizontal asymptote because the degree of numerator and denominator are same.

Q: O SYSTEMS OF LINEAR EQUATIONS Paul Solving a value mixture problem using a system of linear equ Espa...

A: It is given that the first car has fuel efficiency of 20 miles per gallon of gas and the second car ...

Q: Determine the domain of the function f (x) = 1 − x.

A: The domain of f(x)=1-x is the possible values of x.

Q: Shown to the right is a scatter plot that indicates a relationship between the percentage of adult f...

A: Indicated points are (0,250) and (60,160).Slope= -1.5 and y intercept= 250.Answer(a): f(x)= -1.5x+25...

Q: Use the given function to complete parts (a) through (e) below. f(x)-x-9x2 O Even, y-axis symmetry O...

A: The given function is,

Q: if x<0 and y>0, determine the sign of the real number. 1 (a) xy (b)x2y (c) x/y +x (d) y-x

A: Calculation:(a)The condition on given real numbers are x<0 and y >0.That is, the condition x&l...