Question

Given the function g(x) = −2x + 4, find g(−5).

−6
4.5
6
14

Answer 1

g(-5) means you want the value of function g when x = -5.

Answer 2

I'm thinking 14.

Answer 3

yes.

Answer 4

Ok, thanks! :)

Answer 5

welcome.

Answer 6

How about this:

f(x) = 2x2 − 10, find f(5).

90
10
7.5
40


I'm thinking 10 for this one

Answer 7

@Easyaspi314

Answer 8

http://openstudy.com/study#/updates/4f1cb81fe4b04992dd23c863

Answer 9

f(5) means to find the value of the function called f, at x = 5.

How much is 2x^2 - 10 when x = 5?

2(5^2) - 10
2(25) - 10
50-10
= 40

Answer 10

Makes sense?

Answer 11

Ohh I see, I did the first step wrong :)

Answer 12

OK.