Solve the exponential equation.9 = 33x ? 9x2
A. 2 , 3
B. 2 , - 
C. -2 , 
D. -2 , -3
Answer: C
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Plot the point whose polar coordinates are given.(2, 2?/3)
A. 
B. 
C. 
D. 
Solve the problem.A balloon used in surgical procedures is cylindrical in shape. As it expands outward, assume that the length remains a constant 90.0 mm. Find the rate of change of surface area with respect to radius when the radius is 0.070 mm. (Answer can be left in terms of ?).
A. 90.28? mm2/mm B. 90.14? mm2/mm C. 180.28? mm2/mm D. 180.0? mm2/mm
Use a system of equations to solve problem.Find the equation of the parabola y = ax2 + bx +c that passes through the points (3, 4), (1, -5), and (-3, 3).
A. y = 
x2 + 
x - 
B. y = - 
x2 - 
x + 
C. y = - 
x2 + 
x - 
D. y = - 
x2 + 
x - 
Solve.2x2 + 9x = -2 + 15x
A. 3 + 
, 3 - 
B. -3 + 
, -3 - 
C. 
, 
D. 
, 