Home › AP EAPCET (Engineering) › Mathematics › Algebra: Functions › For f(x) = 3x and g(x) = x + 5, find f(g(x)).
For f(x) = 3x and g(x) = x + 5, find f(g(x)).
Ax + 15
B3x + 15
C4x + 5
D3x + 5
Answer & Solution
Correct answer: B. 3x + 15
Adding 5 first and then tripling gives 3(x + 5) = 3x + 15.
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