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13-08-2020
Mathematics

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What’s f(g(x)) if f(x) = 3x + 7 and g(x) = 6x - 5

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speedstick speedstick

13-08-2020

Answer:

f(g(x)) = 18x - 8

Step-by-step explanation:

f(x) = 3x + 7 and g(x) = 6x - 5

Substitute g(x) into f(x):

f(g(x)) = 3(6x - 5) + 7

Distribute the 3 from outside the parentheses:

f(g(x)) = (18x - 15) + 7

Combine like terms:

f(g(x)) = 18x - 8

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