Factor.40 - 17x - 5x2
A. -(5x + 8)(x - 5)
B. -(5x - 8)(x + 5)
C. -(5x + 5)(x - 8)
D. -(5x - 5)(x + 8)
Answer: B
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Specify the center and radius of the circle.(x - 4)2 + (y + 7)2 = 81
A. center: (-4, 7); radius: 81 B. center: (7, -4); radius: 81 C. center: (-7, 4); radius: 9 D. center: (4, -7); radius: 9
Find the phase shift of the function.y = -3 - 2 sin 
A. 
units to the right
B. 
units to the right
C. 
units to the left
D. 
units to the left
Determine whether the function is one-to-one. If so, find a formula for the inverse.h(x) = 
A. h-1(x) = 
B. h-1(x) = 
C. h-1(x) = 6x
D. Not a one-to-one function
A phone company charges $13.00 per month plus $0.02 per call. Find a rational function that expresses the average cost y of a call in a month when x calls were made. ?
A. 
B. 
C. 
D. 
E. 