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. f(x) = 5x2 + 6, g(x) = 7x Find (f o g)(x).
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2 votes
.
f(x) = 5x2 + 6, g(x) = 7x
Find (f o g)(x).

User Rmtheis
by
7.6k points

1 Answer

3 votes

Answer:

245x² + 6

Explanation:

Substitute x = g(x) into f(x)

f(7x) = 5(7x)² + 6 = 5(49x²) + 6 = 245x² + 6

User ScouseChris
by
7.3k points
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