Question: In Exercises 38, compute (a) in two ways, using Eq. (1) and Eq. (2). (x) = x 3 + 2x, a = 1 f'(a) =

In Exercises 3–8, compute ƒ(a) in two ways, using Eq. (1) and Eq. (2).

f'(a) = lim h0 f(a+h)-f(a) h

f'(a) = lim x-a f(x) = f(a) x-a

ƒ(x) = x+ 2x, a = 1

f'(a) = lim h0 f(a+h)-f(a) h

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