Calculus Please Help

Can someone please tell me how to do these?

Suppose that f is given for x in the interval [0,12] by

x= 0 2 4 6 8 10 12
f(x)= -14 -10 -6 -5 -6 -9 -11

A. Estimate f(2) using the values of f in the table.
f'(2)=_______

B. For what values of x does f'(x) appear to be positive?
_________

(Give your answer as an interval or a list of intervals, e.g., (-infinity,8] or (1,5),(7,10) .)

C. For what values of x does f'(x) appear to be negative?

(Give your answer as an interval or a list of intervals, e.g., (-infinity,8] or (1,5),(7,10) .)

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  1. I already did it... thanks anyways.

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