Question

the average rate or change of f(x)=5x^2 - 2, from 2 to 4

Answer 1

\[\frac{f(4)-f(2)}{4-2}\]

Answer 2

what do the fs stand for? i get the bottom will be 2

Answer 3

Well you have \[f(x)=5x^2-2
\]

Answer 4

\[f(4)=5(4)^2-2 \text{ and } f(2)=? \text{ I will let you say what } f(2) \text { is } \]

Answer 5

5(2)^2

Answer 6

-2

Answer 7

60/2 ??????????

Answer 8

or 30/1 simplied. cause they are asking simplified answer.

Answer 9

or just 30. am i right

Answer 10

Yes 60/2 does equal 30