Find the exact value of the expression using the provided information.Find cos(s - t) given that sin s = - 
, with s in quadrant IV, and 
with t in quadrant IV.
A. 
B. 
C. 
D. 
Answer: B
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Find dy.y = csc(2x2 - 1)
A. -2x2 csc(2x2 - 1) cot(2x2 - 1) dx B. 4x csc(2x2 - 1) cot(2x2 - 1)dx C. -4x csc(4x) cot(4x) dx D. -4x csc(2x2 - 1) cot(2x2 - 1) dx
Solve the problem.
Abbey is driving a delivery truck on a straight road. The graph shows the distance y in kilometers that Abbey is from Store A after x hours. (i) Find the slope-intercept form of the equation of the line. (ii) Use the graph to estimate the y-coordinate of the point 
that lies on the line.
A. y = 25x - 300; (6, -150) B. y = -50x + 300; (6, 0) C. y = 25x + 300; (6, 450) D. y = -25x + 300; (6, 150)
Solve the system of equations graphically. Round to the nearest hundredth when appropriate.xy = 49 y = x
A. No real solutions B. (-7, -7), (7, 7) C. (-1, -1), (1, 1) D. (-7, -7), (-7, 7)
Multiply.4x2(2x + 4)
A. 8x + 16 B. 24x2 C. 8x3 + 4 D. 8x3 + 16x2