Factor completely. If the polynomial cannot be factored, say it is prime.4x2 + 28x + 49
A. (2x + 7)2
B. (2x + 7)(2x - 7)
C. (2x - 8)2
D. (2x - 7)2
Answer: A
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Use implicit differentiation to find dy/dx.xy + x + y = x2y2
A. 
B. 
C. 
D. 
Solve the problem.A stone is dropped from a tower that is 750 feet high. The formula 
describes the stone's height above the ground, h, in feet, t seconds after it was dropped. What is the stone's height 5 seconds after it is released?
A. 350 ft B. 375 ft C. 325 ft D. 360 ft
Find the annual percentage rate using the table.
John purchased a GPS system for $990 and financed it for 15 months. The total finance charge was $112.76. Find the annual percentage rate.
A. 16.00% B. 16.25% C. 16.75% D. 16.50%
Multiply, then simplify the product. If variables are present, assume they are positive.(
+ y)(
- y)
A. 12x
B. x + 2y
C. x - 2y
D. 11x - y2