Use a calculator to convert from polar to rectangular coordinates. Round to the nearest hundredth, if necessary.(-3.7, 44°)
A. (2.66, 2.57)
B. (-2.57, -2.66)
C. (-2.66, -2.57)
D. (-0.72, -0.69)
Answer: C
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Solve the problem.The cost of manufacturing clocks is given by C(x) = 72 + 62x - x2. Also, it is known that in t hours the number of clocks that can be produced is given by x = 9t, where 
Express C as a function of t.
A. C(t) = 72 + 558t - 81t B. C(t) = 72 + 62t + t2 C. C(t) = 72 + 558t - 81t2 D. C(t) = 72 + 62t - 9
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = ln(3x - 2)x2 + 3y2 = 7
A. (1.73, -1.16), (0.74, 1.47) B. (5.25, 2.62) C. (0.74, -1.47), (1.73, 1.16) D. (0.77, 1.46), (-0.59, -1.49)
Simplify the radical expression. Assume all variables represent positive real numbers.
A. -5 B. 625 C. 5 D. not a real number
Match the polynomial function graph to the appropriate zeros and multiplicities.
A. -1 (multiplicity 3), -4 (multiplicity 3) B. -1 (multiplicity 2), -4 (multiplicity 3) C. -1 (multiplicity 3), -4 (multiplicity 2) D. -1 (multiplicity 2), -4 (multiplicity 2)