Mathematics, 02.03.2021 19:20 kaygirlnelson6258
What is the simplified rational expression for 9x-5/4x-1 + (3x+8/4x-1 - 5x+3/4x-1)? A. 7x-10/4x-1 B. 7x-16/4x-1 C. 17x-10/4x-1 D. 17x-16/4x-1
Answers: 1
Mathematics, 21.06.2019 14:30
Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =
Answers: 2
Mathematics, 21.06.2019 23:00
According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.
Answers: 1
Mathematics, 22.06.2019 02:00
If p(x) is the total value of the production when there are x workers in a plant, then the average productivity of the workforce at the plant is a(x) = p(x) x . (a) find a'(x). a'(x) = xp'(x) โ p(x) x a'(x) = xp'(x) โ p(x) x2 a'(x) = p'(x) โ p(x) x a'(x) = xp'(x) โ p'(x) x2 a'(x) = p'(x) โ xp(x) x2 why does the company want to hire more workers if a'(x) > 0? a'(x) > 0 โ a(x) is ; that is, the average productivity as the size of the workforce increases. (b) if p'(x) is greater than the average productivity, which of the following must be true? p'(x) โ xp(x) > 0 p'(x) โ xp(x) < 0 xp'(x) โ p'(x) > 0 xp'(x) โ p(x) < 0 xp'(x) โ p(x) > 0
Answers: 2
What is the simplified rational expression for 9x-5/4x-1 + (3x+8/4x-1 - 5x+3/4x-1)? A. 7x-10/4x-1 B....
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