Question: Let the function, f:[-7, 0] ?R be continuous on [-7, 0] and differentiable on (-7, 0). If f(-7)= -3 and f(x) ? 2, for all

Let the function, f:[-7, 0] ?R be continuous on [-7, 0] and differentiable on (-7, 0). If f(-7)= -3 and f’(x) ? 2, for all x? (-7, 0), then for all such functions f, f(-1) + f(0) lies in the interval:

(a) [-6, 20]

(b) (-?, 20]

(c) (-?, 11]

(d) [-3, 11]

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