A street light is at the top of a pole that is 13 feet tall. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a straight path. Her distance from the pole at time t is given by d(t). How fast is the length of her shadow, s(t), changing when she is 30 ft from the base of the pole?

hit or miss i guess they never miss huh

step-by-step explanation:

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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).