Question: Find (a) The derivative, by using the definition. (b) The instantaneous rate of change of the function at any value and at the given value.

Find
(a) The derivative, by using the definition.
(b) The instantaneous rate of change of the function at any value and at the given value.
(c) The slope of the tangent at the given value.
1. f(x) = 5x2 + 6x - 11; x = - 2
2. f(x) = 16x2 - 4x + 2; x = 1

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