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V125BC [204]
3 years ago
10

If f(x)=3(x+5)+4/x what is f(a+2) ?

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

f(x)=3(x+5)+\dfrac{4}{x}\\\\f(a+2)\to\text{put x = a + 2 to the equation of the function f}\\\\f(a+2)=3(a+2+5)+\dfrac{4}{a+2}=3(a+7)+\dfrac{4}{a+2}

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