Find the phase shift of the function.y = 4 sin 
A. 2? units down
B. 
units to the right
C. 4? units up
D. 
units to the left
Answer: B
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Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jared found an old family photograph that was 9 inches wide and 6 inches high. He wanted a copy that was 1.75 inches less wide. What will the height of that reduced copy be? Round to the nearest tenth of an inch.
A. 7.4 inches B. 10.9 inches C. 4.8 inches D. 1.2 inches
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Solve.64x2 + 9y2 = 5763y + 8x = 24
A. (0, 8), (3,0) B. (0, -8), (-3, 0) C. (0, 3), (8, 0) D. (0, -3), (0, -8)
Solve the problem.Find the dimensions of the right circular cylinder with maximum volume if its surface area is 
A. r = 3 in., h = 3 in. B. r = 3 in., h = 8 in. C. r = 2 in., h = 4 in. D. r = 2 in., h = 6 in.