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[ f(x) = 3x + 2 g(x) = x2 Find gf(5) Find fg(x)
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[ f(x) = 3x + 2
g(x) = x2
Find gf(5)
Find fg(x)

User Sreepurna
by
7.5k points

1 Answer

6 votes

Answer:

gf(5) = 289.

fg(x) = 3x^2 + 2.

Explanation:

f(5) = 3(5) + 2 = 17

So gf(5) = 17^2 = 289.

fg(x) = 3(x^2) + 2 (we replace the x in f(x) by g(x)).

= 3x^2 + 2.

User Ibid
by
7.6k points
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