56.1k views
2 votes
Please help it’s algebra!!!!!!

Please help it’s algebra!!!!!!-example-1

1 Answer

2 votes

Answer:

a). -6x³ - 12x² b). -12 c). 12

Explanation:

a). (g x f)(x) can also equal f(g(x))

= f (2x +4)

= -3x² (2x+4)

= -6x³ - 12x²

b). f(g(-1))

g(-1) = 2(-1) + 4

= -2 + 4

= 2

f(2) = -3x²

= -3(2)²

= -12

c). g(h(3))

h(3) = 3x-1/2

= 3(3) - 1 / 2

= 4

g(4) = 2x + 4

= 2(4) + 4

= 12

User Dick Chesterwood
by
3.7k points