Question

Let f(x) = x + 2 and g(x) = x2 Find ( g o f)(-5)
A.

-3

B.

-10

C. 49

D.

9

Answer 1

@Catlover5925

Answer 2

first we deal with the inside function
what is f(-5)?

Answer 3

then we will do g(of that result)

Answer 4

sorry im new to this my teach kinf of threw it on me and was like learn it and didnt really show me how

Answer 5

but can you find f(-5)
or you don't understand that either?

Answer 6

im sorry i really dont

Answer 7

well f(x)=x+2

Answer 8

and if we want to find f(-5)
then we just need to replace the x's in that f function right there with -5

Answer 9

f(-5)=-5+2=?

Answer 10

-3

Answer 11

yes so f(-5)=-3

Answer 12

\[\[(g ^o f)(-5)=g(f(-5)) \\ \] \]

Answer 13

so we found the inside f(-5)=-3
so now we need to take care of the outside

Answer 14

g(-3)=?

Answer 15

used the function that is called g above

Answer 16

um is it -1

Answer 17

g(x)=x^2

Answer 18

so g(-3)=?

Answer 19

x^2 means x*x

Answer 20

so (-3)^2 means (-3)*(-3)

Answer 21

so that couldn't be -1

Answer 22

it would be 9

Answer 23

yea