Can I get help with these homework questions please and thank you.

4: (5pts) If you want to locate where a function has a sharp corner, you need to make use of a) the integral b) the related rate concept c) the limit d) the derivative Page 1/2 5: (5pts) If you want to locate where a function is discontinuous, you need to make use of a) the limit b) the integral c) the related rate concept d) the optimization concept 4: (10pts) Evaluate lim - x' + 2 x x-2 x2 - 4x+4 5: (10pts) Find the derivative of tan (elx ) 7x3 6: (10pts) Find the slope of the tangent line to the graph of f (x) =- (x+ 1) (x-5) - at x = 2. 7: (14pts) Find the area under the graph of f(x) = from x=1to x=4. Vx 8: (14pts) Given f(x) = [ e dx . Find f'(x). 9: (16pts) Evaluate (sec- (1/ x ) dx. x2 Page 2/2