Find the product of the polynomials.(2k + 4)(2k3 - 5k2 + 5k + 5)
A. 4k4 - 2k3 - 10k2 + 30k + 20
B. 4k4 - 2k3 - 10k2 + 10k + 20
C. 4k4 - 30k3 - 10k2 + 30k + 20
D. 4k4 - 2k3 + 30k2 + 30k + 20
Answer: A
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The polar coordinates of a point are given. Find the rectangular coordinates of the point.(5, 90°)
A. (-5, 0) B. (0, -5) C. (0, 5) D. (5, 0)
If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = 5x-3 - 14
A. Degree: 3; leading coefficient: 5 B. Degree: -3; leading coefficient: 5 C. Degree: 5; leading coefficient: -3 D. Not a polynomial function
Simplify the difference quotient 
and 
for the following function.f(x) = 4x2 + 9x - 1
A. 8x2 + h B. 8x + 8h + 9 C. 8x + 4h + 9 D. 8x + 9h - 1
Solve the problem.An exam consists of 9 multiple-choice questions and 6 essay questions. If the student must answer 5 of the multiple-choice questions and 3 of the essay questions, in how many ways can the questions be chosen?
A. 810 B. 261,273,600 C. 1,814,400 D. 2520