Use the factor theorem and tell whether the first expression is a factor of P(x).x + 1; P(x) = x3 + 3x2 - 2x - 4.(Hint: Write x + 1 as x - (-1).) 

A. yes
B. no


Answer: A

Mathematics

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Solve the differential equation.y' + 2y = 21

A. y =  + e2x + Ce-2x
B. y =  + Ce2x
C. y = 21 + Ce2x
D. y =  + Ce-2x

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Solve the problem.A student must answer 6 out of 10 questions on an exam. In how many different ways can he choose the questions?

A. 1,000,000 B. 210 C. 24 D. 5040

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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x|

A.

B.

C.

D.

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Solve the problem.Factories A and B sent rice to stores 1 and 2. A sent 14 loads and B sent 22. Store 1 received 20 loads and store 2 received 16. It cost $200 to ship from A to 1, $350 from A to 2, $300 from B to 1, and $250 from B to 2. $8600 was spent. How many loads went where?

A. 0 from A to 1, 14 from A to 2, 16 from B to 1, and 6 from B to 2 B. 13 from A to 1, 1 from A to 2, 7 from B to 1, and 4 from B to 2 C. 12 from A to 1, 2 from A to 2, 8 from B to 1, and 14 from B to 2 D. 14 from A to 1, 0 from A to 2, 6 from B to 1, and 16 from B to 2

Mathematics