Mathematics, 29.10.2019 00:31 anonymousanon
Abc electric uses this formula, f(x) = 750 − 10x, to depreciate computers, where f is the value of a computer and
x is the number of months since its purchase.
a. calculate f(36). what is the meaning of f(36)?
b. what is the meaning of b in f(b) = 60? what is the value of b?
c. write a formula for f^−1, and explain what it means in this situation.
d. when will the depreciated value of a computer be less than $400?
e. what is the meaning of c in f−1(c) = 60? what is the value of c?
Answers: 2
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Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.
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Abc electric uses this formula, f(x) = 750 − 10x, to depreciate computers, where f is the value of a...
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