3 years ago

If f(x) = x2 + 2x, then find f(a+h)-f(a)

Mathematics

1 answer:

sertanlavr [38]3 years ago

6 0

Subsitute a+h for x and a for x

f(a+h)-f(a)=
(a+h)^2+2(a+h)-(a^2+2a)
a^2+2ah+h^2+2a+2h-a^2-2a
2ah+h^2 is the result

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