Solve.(x - 5)(x + 1) ? 0
A. (-?, -5] ? [1, ?)
B. (5, -1)
C. (5, ?)
D. (-?, -1] ? [5, ?)
Answer: D
You might also like to view...
Solve.An object that is vertically projected into the air has its height, in feet, above the ground given by s = -16t2 + v0t + s0,where s is the height, in feet, v0 is the initial velocity of the object, in feet per second, t is the time the object is in motion, in seconds, and s0 is the height, in feet, from which the object is projected. A ball is thrown straight up from a rooftop at an initial velocity of 86 feet per second from a height of 100 feet. The ball misses the rooftop on its way down and eventually strikes the ground below. How high above the ground will the ball be 4 seconds after being thrown?
A. 174 ft B. 188 ft C. 700 ft D. 686 ft
Find the inclination of the line with the given slope. Round your answer to the nearest tenth of a degree, if necessary.2.88
A. 79.1° B. 70.9° C. 19.1° D. 64.1°
The figures are similar. Find the length of the missing side indicated with an x or y.
A. x = 7; y = 13 B. x = 10; y = 14 C. x = 22.5; y = 31.5 D. x = 12; y = 16
Find the center and radius of the circle.x2 + 8x + y2 = 10y
A. (4, -5); 
B. (-4, 5); 
C. (4, 5); 6
D. (4, 4); 3