a. For the following function, find $f'(a)$.\n b. Determine an equation of the line tangent to the graph of $f$ at $(a, f(a))$ for the given value of $a$. \n$f(x) = \sqrt{2x + 7}$, $a = 9$\na. $f'(a) = $ (Simplify your answer.)
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The given function is f(x) = 2x + 7. Taking the derivative of this function, we get f'(x) = 2. Now, evaluating f'(x) at x = a, we have f'(a) = 2. b. To determine an equation of the line tangent to the graph of f at a, we need to find the slope of the tangent line Show more…
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