Solve the problem.An investment is worth $2153 in 1992. By 1996 it has grown to $3881. Let y be the value of the investment in the year x, where x = 0 represents 1992. Write a linear equation that models the value of the investment in the year x.
A. y = 432x + 2153
B. y = -432x + 5609
C. y = 
x + 2153
D. y = -432x + 2153
Answer: A
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Add or subtract.(-3 + 4i) - 2
A. -1 - 4i B. -5 + 4i C. -1 + 4i D. 5 - 4i
Solve the problem.After t seconds the height s of an object propelled upward with an initial velocity of 3200 feet per second is given by s = 3200t - 16t2. What is the height the ball reaches after 114 seconds?
A. 156,864 feet B. 366,624 feet C. 362,976 feet D. 572,736 feet
The graph of a rational function y = f(x) is given below. Use the graph to give the solution set of 
and 
Use set notation for part (a) and interval notation for parts (b) and (c).
A. (a) ? (b) (-?, 3) ? (3, 4) (c) (-3, 3) ? (4, ?) B. (a) {4} (b) (-?, 3] ? [3, 4) (c) [-3, 3] ? [4, ?) C. (a) {4} (b) (-?, 3) ? (3, 4] (c) (-3, 3) ? [4, ?) D. (a) {4} (b) (-?, -3) ? (3, 4) (c) (-3, 3) ? (4, ?)
Find the x- and y-intercepts.f(x) = -20x2 + 7x - 9
A. No x-intercepts, (0, -9)
B. 
, (0, -9)
C. 
, (0, 9)
D. No x-intercepts, (0, 9)