Between x = 2 and x = 3, which function has the same average rate of change as y = 2x ?

y= (5)^x - 2

Step-by-step explanation:

What I did to get this answer was.. it said it was between x=2 and x=3 and saw that take away 2 on the outside of the parenthesis and that equaled 3. Basically it wasn't true thinking but that's what i did. I got it right on USATestPrep.

look a the sides they are perpendicular

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note: the best i know.