Solve the problem.A ball is thrown vertically upward from the top of a building 144 feet tall with an initial velocity of 128 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds will the ball pass the top of the building on its way down?
A. 144 sec
B. 7 sec
C. 8 sec
D. 10 sec
Answer: C
Mathematics
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Find the equation for the hyperbola described.Center at (0, 0); focus at (-2
, 0); vertex at (-4, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximate value rounded to two decimal places.
A. rational; -74 B. irrational; -8.6 C. irrational; 8.6 D. not a real number
Mathematics
Graph the sinusoidal function.y = 4 sin (3x)
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the polar curve at the indicated point.r = 
, ? = 3?
A. 3? B. 0 C. -3? D. Undefined
Mathematics