The equation of the normal to the circle x2 + y2 -8x +24y +96 = 0 at the point R is 4y -3x = K A) Find the value of the constant K
The normal to the circle at R meets the x-axis at the point of S
B) Given that R lies between S and the centre of the circle, find the length of RS​

y > 1/3x

y < = -x + 4

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step-by-step explanation:

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).