With your calculator set to radian mode and polar graphics capability, graph the following function in the window specified.r2 = sin 3?, 0 ? ? ? 2?, [-2, 2] by [-2, 2]
A. 
B. 
C. 
D. 
Answer: D
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Solve.The population of a small town in 1988 was 11,000 people. Due to decline in industrial growth the population has since been decreasing at a rate of 4% every year. What was the population of this town in 1998?
A. 5925 people B. 6586 people C. 7313 people D. 8112 people
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 770. Find a linear function S(t), which fits this data, and which expresses score as a function of time.
A. S(t) = 3.75t + 507.5 B. S(t) = 3.375t - 511.5 C. S(t) = -3.75t + 507.5 D. S(t) = 3.375t + 511.5
Sketch the graph of the polynomial function.f(x) = x4 - 10x3 + 25x2
A. 
B. 
C. 
D. 
Write the number as a product of a real number and i. Simplify the radical expression.
A. -4i
B. 4
C. 4i
D. -4