Simplify: (4a + 2b)(a - b)
a) 4a^2 - 6ab - 2b^2
b) 4a^2 - 2ab - 2b^2
c) 4a^2 -...
Mathematics, 29.01.2020 05:08 navleen4owjrk1
Simplify: (4a + 2b)(a - b)
a) 4a^2 - 6ab - 2b^2
b) 4a^2 - 2ab - 2b^2
c) 4a^2 - 8ab - 2b^2
d) 4a^2 + 2ab - 2b^2
Answers: 3
Mathematics, 21.06.2019 18:20, rishiganesh
The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.
Answers: 3
Mathematics, 22.06.2019 02:00, AnastasiaJauregui
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) − p(x) x a'(x) = xp'(x) − p(x) x2 a'(x) = p'(x) − p(x) x a'(x) = xp'(x) − p'(x) x2 a'(x) = p'(x) − xp(x) x2 why does the company want to hire more workers if a'(x) > 0? a'(x) > 0 ⇒ 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) − xp(x) > 0 p'(x) − xp(x) < 0 xp'(x) − p'(x) > 0 xp'(x) − p(x) < 0 xp'(x) − p(x) > 0
Answers: 2
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