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a) Find f(x) is f(x) is differentiable everywhere and f'(x)= { 2x+8, x<2 3x2, x>2 given...

a)
Find f(x) is f(x) is differentiable everywhere and
f'(x)= { 2x+8, x<2
3x2, x>2

given f(1)=1

b)
the point (-1,2) is on the graph of y2-x2+2x=5. Approximate the value of y when x=1.1. Then use dy/dx and d2y/dx2 to determine if the point (1,-2) is a max, min, or neither.

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