Determine whether the equation defines y as a function of x. 9x + x2 - 66 = y
A. function
B. not a function
Answer: A
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Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Find any restricted values for the given rational expression.
A. x = -5, x = - 
, x = 1
B. x = -1, x = 
, x = 5
C. x = -1, x = 
D. x = - 
, x = 1
Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 95 black, 100 white and 90 red wires. How many of each cable were made?
A. 58 cable A 30 cable B 22 cable C B. 5 cable A 30 cable B 25 cable C C. 5 cable A 18 cable B 25 cable C D. 30 cable A 5 cable B 25 cable C
Solve the problem.A projectile is fired from a cliff 400 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 130 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. How far from the base of the cliff is the height of the projectile a maximum?
A. 132.03 ft B. 796.09 ft C. 532.03 ft D. 264.06 ft