Find the two x-intercepts of the function f and show that f′(x) = 0 at some point between the two x-intercepts. f(x) = x2 − 4x − 12 (x, y) = ( ) (smaller x-value) (x, y) = ( ) (larger x-value) Find a value of x such that f′(x) = 0. x =
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Find the two -intercepts of the function and show that at some point between the two -intercepts.