Solve the equation.a - 12 = 2
A. a = -14
B. a = 14
C. a = -10
D. a = 10
Answer: B
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -1 + 9 cos tFind the body's jerk at time t = ?/3 sec.
A. - 
m/sec3
B. 
m/sec3
C. 
m/sec3
D. - 
m/sec3
Provide an appropriate response.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 1 + 
B. h = 
C. h = 1 - 
D. h = 
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. -2 sec B. 2 sec C. 5 sec D. 160 sec
Simplify.(16y2 + 3) - (-14y4 - 8y2 + 3)
A. 14y4 + 24y2 B. -14y4 + 8y2 + 6 C. 14y4 + 24y2 - 6 D. 38y6