A linear function is increasing if it has a positive slope.
To find this easily, put the function into the form y=mx+b. If m
is positive, the function is increasing. If m is negative, it is
decreasing.
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No a linear equation are not the same as a linear function. The
linear function is written as Ax+By=C. The linear equation is
f{x}=m+b.
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Assuming the domain is unbounded, the linear function continues
to be a linear function to its end.
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No. An exponential function is not linear. A very easy way to understand what is and what is not a linear function is in the word, "linear function." A linear function, when graphed, must form a straight line.
P.S. The basic formula for any linear function is y=mx+b. No matter what number you put in for the m and b variables, you will always make a linear function.
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No a linear equation are not the same as a linear function. The
linear function is written as Ax+By=C. The linear equation is
f{x}=m+b.