Find $\lim_{h \to 0} \frac{f(8+h) - f(8)}{h}$ if $f(x) = x^2 + 7$. $\lim_{h \to 0} \frac{f(8+h) - f(8)}{h} = $ (Simplify your answer.)
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f(8+h) - f(8) = 7(8+h) - 7(8) Show more…
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