the functions f and g are defined as follows f (x) = -5x+2 g (x) = 3x^2-3x find f (g) and g (-2) simplify your answer as much as possible

Question

Kiersten Cooke

Mathematics

4 May, 03:31

the functions f and g are defined as follows f (x) = -5x+2 g (x) = 3x^2-3x find f (g) and g (-2) simplify your answer as much as possible

+4

Answers (1)

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Cesar · Answer 1

f (g) = - 15x^2 + 15x + 2.

g (-2) = 18.

Step-by-step explanation:

f (g) = - 5 (3x^2 - 3x) + 2

= - 15x^2 + 15x + 2.

g (-2) = 3 (-2) ^2 - 3 (-2)

= 12 + 6

= 18.