Suppose that f(x) = 5x² – 4. (A) Find the slope of the line tangent to f(x) at x = 5. (B Find the instantaneous rate of change of f(x) at x = 5. (C) Find the equation of the line tangent to f(x) at æ = 5. y =

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A: For equation of tangent, one have to use y-b=m(x-a)Where (a,b) is the point, m is the slope.

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A: y=fx=x5instantaneous have of change is known to be 405 ,or x = -3∴ y=f-3=-35=-243

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