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Find the equation of the tangent to the graph at the indicated point. HINT [Compute the...

Find the equation of the tangent to the graph at the indicated point. HINT [Compute the derivative algebraically; then see Example 2(b) in Section 3.5.]

a.) f(x) = x2 − 3; a = 8

b.) f(x) = x2 − 8x; a = −1

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