Clueless in calculus
posted by Aparna .
The function f is defined by f(x)= (25x^2)^(1/2) for 5 less than or = x less than or = 5
A) find f'(x)
B) write an equation for the tangent to the graph of f at x=3
C) let g be the function defined by g(x)= (f(x) for 5<or=x<or=3)and (x+7 for 3<or=x<or=5)
D) find the value of the intagral 5 over 0 of x(25x^2)^(1/2)dx
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