Question

Given the function f(x) = −5x^2 − x + 20, find f(3).

a) −28
b) −13
c) 62
d) 64

Answer 1

Just put 3 where x is into the equation

Answer 2

and do i multiply by 20?

Answer 3

f(x) = −5(3)^2 − 3 + 20, find f(3).

Answer 4

You add 20

Answer 5

and now what i do?

Answer 6

5 times
3^2 = 9

5 times 9 -3 + 20

Answer 7

@LynFran

Answer 8

@UsukiDoll

Answer 9

So you don't know what 5 times 9 - 3 + 20 is?

Answer 10

62

Answer 11

Correct and that is your answer

Answer 12

ty

Answer 13

YW