Divide.
A. 5 - 3i
B. 5 + 3i
C. - 
+ 
D. 
+ 
Answer: A
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Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = 3x5 on [1, 3] divided into 4 subintervals
A. 703.2 B. 175.8 C. 58.6 D. 103.8
Use the given information to find the exact value of the trigonometric function.csc ? = - 
, tan ? > 0
Find cos 
.
A. - 
B. 
C. - 
D. 
The graphs show the sales of two companies competing for market share. Use the graphs to answer the question.
During which years were the sales of Company B greater than those of Company A?
A. 1990, 1991, 1992, 1993 B. 1990, 1991 C. 1994, 1995 D. None
Solve the problem.An object in simple harmonic motion has a frequency of 
oscillations per second and an amplitude of 6 feet. Write an equation in the form d = a sin ?t for the object's simple harmonic motion.
A. d = 6 sin 
B. d = 6 sin 
C. d = 6 sin 5?t
D. d = 6 sin 