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Find the slope of the secant lines over the specified intervals for the functions f(x)= -1/2x^2+2x...

Find the slope of the secant lines over the specified intervals for the functions f(x)= -1/2x^2+2x .

a) [2,3]
b) [2,2.1]
c) Estimate the slope of the tangent line at x=2
d) Use your estimate to find the equation of the tangent line at x=2
Math   Calculus   
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