a Find the slope m of the tangent to the curve y 5 5x 2x at the point where x a M b Find equations of the tangent lines at the

Question

a Find the slope m of the tangent to the curve y 5 5x 2x at the point where x a M b Find equations of the tangent lines at the following points 1 8 y y c Graph the curve and both tangents on a common axis y 10 2 9 O 5 15 10 5 10 15 X 30 10 5 y 20 15 10 10 5 10 00 10 5 y 10 10 15 10 15 X 09 10 5 y 201 15 10 10F 5

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