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
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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
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
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. 
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