Find the slope and the y-intercept of the line.4x - y = -3
A. slope: 4; y-intercept: (0, -3)
B. slope: 
; y-intercept: (0, -3)
C. slope: 3; y-intercept: (0, 4)
D. slope: 4; y-intercept: (0, 3)
Answer: D
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Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = 
A. Increasing -? < x < 0 and 0 < x < ?
B. Decreasing -? < x < 0 and 0 < x < ?
C. Increasing -? < x < 0
Decreasing 0 < x < ?
D. Decreasing -? < x < 0
Increasing 0 < x < ?
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x4 - 81x2
A. x = 0, touches the x-axis and turns around; x = 81, crosses the x-axis B. x = 0, touches the x-axis and turns around; x = 81, touches the x-axis and turns around C. x = 0, crosses the x-axis; x = 9, crosses the x-axis; x = -9, crosses the x-axis D. x = 0, touches the x-axis and turns around; x = 9, crosses the x-axis; x = -9, crosses the x-axis
Solve the problem.The owner of a video store has determined that the profits P of the store are approximately given by 
where x is the number of videos rented daily. Find the maximum profit to the nearest dollar.
A. $8517 B. $4292 C. $4225 D. $8450
Find the indicated term of the geometric sequence.a1 = 
, r = 
; Find a6.
A. a6 = 
B. a6 = 
C. a6 = 
D. a6 = 