Question

Can someone please help me?

Answer 1

Use the table of the function f(x) = x4 - 4x to answer this question:
What is the average rate of change from x = -1 to x = 2?

Answer 2

average rate of change formula is
\(\Large \dfrac{f(b)-f(a)}{b-a}\)

here, a = -1
b =2

Answer 3

opps the chart didnt load right, haha.
x f(x)
-2 24
-1 5
0 0
1 -3
2 8

Answer 4

know how to get f(-1) and f(2) from the chart ?

Answer 5

oh so I plugged in the numbers to the formula. i got f(2)-f(-1)/2--1

Answer 6

right
2-(-1) is just 2+1 =3

how about f(2), know how to get it ?

Answer 7

ok :) umm, no I dont :/

Answer 8

f(2) is the value of f(x) when x =2

Answer 9

ohh ok

Answer 10

So what do i do next?

Answer 11

find f(2) and f(-1) from the chart!

Answer 12

is the answer 1?

Answer 13

or wait -1?

Answer 14

the final answer ?
why are u in so much hurry? :)
sis you get
f(2) and f(-1)

Answer 15

**did you get

Answer 16

yes

Answer 17

what did u get them as ?>

Answer 18

any ideas ?