Mathematics, 26.07.2019 09:20 xmanavongrove55
1. what is the sum of p and q? p(x) = 3x – 11 q(x) = 4 – 4x a) (p + q)(x) = –x – 7 b) (p + q)(x) = –x + 15 c) (p + q)(x) = 7x – 7 d) (p + q)(x) = 7x + 15 2. what is the difference of t and v? t(x) = 7x – 2 v(x) = x – 9 a) (t – v)(x) = –6x – 11 b) (t – v)(x) = –6x – 7 c) (t – v)(x) = 6x + 7 d) (t – v)(x) = 6x – 11 3. nina makes and sells necklaces. for n necklaces, her revenue function is r(n) = 11.75n and her cost function is c(n) = 8.9 + 1.2n. which function is nina’s profit function? a) p(n) = 10.55n – 8.9 b) p(n) = 12.95n – 8.9 c) p(n) = 12.95n + 8.9 d) p(n) = 14.1n + 8.9
Answers: 1
Mathematics, 21.06.2019 17:00
The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)
Answers: 1
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
1. what is the sum of p and q? p(x) = 3x – 11 q(x) = 4 – 4x a) (p + q)(x) = –x – 7 b) (p + q)(x)...
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