Determine the phase shift of the function.y = 
sin (?x + 3)
A. 3
B. - 
C. 
D. - 
Answer: B
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Factor completely. If unfactorable, indicate that the polynomial is prime.72a4b - 98b3
A. 2b(6a - 7b)2 B. 2b(6a + 7b)2 C. (12a + 14b)(6ab - 7b2) D. 2b(6a2 + 7b)(6a2 - 7b)
Compute the value of the given expression.
+ 
A. 3 B. 23 C. -3 D. -23
Solve the problem.The area of the rectangle is represented by y2 + 2y - 35. What is the length?
A. y + 5 B. y - 7 C. y + 7 D. y - 5
Solve the problem.The function V(r) = 4?r2 describes the volume of a right circular cylinder of height 4 feet and radius r feet. Find the instantaneous rate of change of the volume with respect to the radius when r = 9. Express the answer in terms of ?.
A. 72? cubic feet per feet B. 18? cubic feet per feet C. 36? cubic feet per feet D. 8? cubic feet per feet