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if f(x)=3x+5/x, what is f(a+2)?

If ( f(x) = \frac{3x + 5}{x} ), what is the value of ( f(a + 2) )?

2 Answers

A
Anonymous

Feb 22, 2025

 

f(x) = 3x + 5/x

f(a+2) = 3(a+2) + 5/(a+2)

If you need to use a common denominator, then you'd get:

f(a+2) = (3(a+2)² + 5)/(a+2) = (3a²+12a+17)/(a+2)

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