Question

Math Help Please!!!!
Evaluate f(x) = -2x^2 – 4 for x = 3.

Answer 1

same like last one

Answer 2

here x =3
so what you need to do ???

Answer 3

looks good but don't forget that little "4"

Answer 4

negative 4**

Answer 5

\[f(3) = -2(3)^{2} - 4\]

Answer 6

yes perfect!! now solve

Answer 7

f(3) = -2(3)^2 -4
f(3) = -6 ^2 – 4
f (3) = -36 – 4
f (3) = -40

Answer 8

hmm so you don't have to solve right

Answer 9

What did I do wrong? @Nnesha

Answer 10

ohh i i thought that are multiple choices

Answer 11

You're suppose to square first then multiply, 3^3 = 9, 9*-2

Answer 12

3^2*

Answer 13

first take square of 9 then multiply by -2

Answer 14

Yes, there is multiple choices
A) -10
B) -18
C) -22
D) 10

Answer 15

oaky so what you get after that

Answer 16

Yeah so, do it again, and square it first.

Answer 17

F(3) = -2(3) ^2 – 4
-2 (9) – 4
18 – 4
14

Answer 18

hmm 9 times -2 = ???

Answer 19

18

Answer 20

- x + = -

Answer 21

nope negative number times positive number = negative number

Answer 22

Okay so -22 ?

Answer 23

Yes

Answer 24

Thank you guys!

Answer 25

^^^^^^^^^^^^^^

Answer 26

our pleasure :) :) :)