3 years ago

Show your work please

Mathematics

2 answers:

Sauron [17]3 years ago

7 0

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

= 3x^2 + 9x - 4

Nataly_w [17]3 years ago

6 0

Answer:

3x^2 +9x -4

Step-by-step 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

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