Suppose that f(x) = 4 x^2 - 5 x . Find:

(A)f'(x) =

(B) The slope of the graph off(x) at x = 2 and x = 3 .

Slope at x = 2:

Slope at x = 3:

(C) An equation for the tangent lines atx = 2 and x = 3 .

Tangent line at x = 2:y =

Tangent line at x = 3:y =

(D) List all values ofx where the tangent line is
horizontal.

Value(s) ofx =

(A)

(B) The slope of the graph of

Slope at x = 2:

Slope at x = 3:

(C) An equation for the tangent lines at

Tangent line at x = 2:

Tangent line at x = 3:

(D) List all values of

Value(s) of

You can earn partial credit on this problem.