Factor completely using the ac method. If prime, so state.2x2 + 5x - 12
A. (2x + 3)(x - 4)
B. prime
C. (2x + 4)(x - 3)
D. (2x - 3)(x + 4)
Answer: D
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An open box is to be made from a square piece of cardboard, 22 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). If the volume of the box is represented by 
, determine the domain of 
class="wirisformula" align="middle" />.
A. 
B. 
C. 
D. 
E. 
Solve the problem.An object's altitude, in meters, is given by the polynomial h + vt - 4.9t2, where h is the height in meters from which the launch occurs, v is the initial upward speed in meters per second, and t is the number of seconds for which the rocket is airborne. A pebble is shot upward from the top of a building 157 meters tall. If the initial speed is 45 meters per second, how high above the ground will the pebble be after 3 seconds? Round results to the nearest tenth of a meter.
A. 471.9 meters B. 247.9 meters C. 277.3 meters D. 336.1 meters
Find the linear least squares approximating function g for the function 
, 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Graph the equation and state whether the line has a positive or negative slope.y - 5 = 5x
A. Negative slope
B. Positive slope
C. Negative slope
D. Positive slope