217k views
2 votes
Show your work please

Show your work please-example-1

2 Answers

2 votes

fg(x) = 3(x^2 + 3x) - 4

= 3x^2 + 9x - 4

User Mzu
by
6.4k points
5 votes

Answer:

3x^2 +9x -4

Explanation:

f(x) = 3x-4

g(x) = x^2 +3x

f(g(x))

Substitute g(x) in for x in the function f(x)

f(g(x) = 3 (g(x)) -4

= 3( x^2 +3x) -4

= 3x^2 +9x -4

User Mdegis
by
6.8k points
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