Question

HELP!!! 50 POINTS!! I WILL REPORT IMPROPER ANSWERS!!!

Answer 1

Answer & Explanation:

1.) Which function is a linear function?

   The answer is B. $y+7=5x$

2.) If the function $y=x^a-31$ is a linear function, what is the value of $a$?

   The answer is A. $1$

3.) What type of function is the function representing Sully's speed?

   The answer is C. It is a nonlinear function.

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