a. For the function and point below, find f'(a). b. Determine an equation of the line tangent to the graph of f at (a,f(a)) for the given value of a. f(x)=4x^2 + 5x, a = -2 a. f'(a) = b. y=
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f'(x) = 4 - 5 = -1 Show more…
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Derivatives and tangent lines a. For the following functions and points, find $f^{\prime}(a)$. b. Determine an equation of the line tangent to the graph of $f$ at $(a, f(a))$ for the given value of $a$. $$f(x)=\frac{1}{x+5} ; a=5$$
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Derivatives and tangent lines a. For the following functions and values of $a,$ find $f^{\prime}(a)$ b. Determine an equation of the line tangent to the graph of $f$ at the point $(a, f(a))$ for the given value of $a$ $$f(x)=\frac{1}{x+5} ; a=5$$
a. For the function and point below, find f'(a). b. Determine an equation of the line tangent to the graph of f at (a,f(a)) for the given value of a. f(x) = 4x^2 + 2x, a = -1 a. f'(a) = b. y =
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