Module 2 - Slp

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MODULE 2 - SLP

Module 2 - SLP

Module 2 - SLP

Question 1

f(0) = 9(0) - 6 = -6

Question2

To answer the question, you need an equation like y=A(x-h)^2+k, with (h,k) being the (x,y) coordinates of the vertex, the values of which gives the number of watches Bob must repair to have the lowest cost

C(x) = 4x2-296x+85completing the square: (factor out 4, then take half of the coefficient of the x-term and square it=(74/2)^2=37^2, then add it in to complete the square.)C(x)=4(x^2-74x+37^2)+85-4(37^2)

C(x)=4(x-37)^2+85-5476C(x)=4(x-37)^2-5391This is a parabola with vertex at (37,-5391)Ans:Bob must repair 37 watches to have the lowest operating cost See graph below ...
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