Find the first derivative f'(x) and the original function f(x) . f''(x) = cos(x) , f'(2) = 13 , f(2) = 8 :
a) f'(x) = -sin(x) , f(x) = -cos(x) + 13x + 3
b) f'(x) = -sin(x) , f(x) = -cos(x) + 13x - 3
c) f'(x) = sin(x) , f(x) = cos(x) + 13x + 3
d) f'(x) = sin(x) , f(x) = cos(x) + 13x - 3