Solve the equation.-4x + 9 = 9 - 4x
A. 0
B. no solution
C. all real numbers
D. 9
Answer: C
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Determine whether or not the function is one-to-one.f(x) = 4x2 + x
A. No B. Yes
Solve the problem.A brick staircase has a total of 17 steps. The bottom step requires 110 bricks. Each successive step requires 5 less bricks than the prior one. How many bricks are required to build the staircase?
A. 2550 bricks B. 1190 bricks C. 1147.5 bricks D. 2380 bricks
Solve the problem.The volume V of a gas at constant temperature varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
What will be its volume under a pressure of 30 kg/cm2? [Assume that the temperature remains constant].
A. 120 cm3 B. 257 cm3 C. 270 cm3 D. 126 cm3
Find the equation of the circle 
that passes through the points.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?