1.f(x)= 3x² -1 , g(x)= 2x+1

find f(x) o g(x)

Group of answer choices

3(2x+1)² -1

2(3x² -1) +1

3x² -1

none of these answers

2.f(x)= 3x² -1 , g(x)= 2x+1

find g(x) o f(x)

Group of answer choices

6x²

6x² -1

6x²+1

none of these answers

3.f(x) = 3x-2, g(x)=2x-5

find (fog)(-2)

Group of answer choices

-29

-5

-1

none of these answers