Solve the problem.An object is propelled vertically upward from the top of a 288-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 2 sec
B. 4.5 sec
C. 10.7 sec
D. 1.7 sec
Answer: C
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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = -1.81
A. Yes B. No
Solve the problem.Find the area of the triangle determined by the points P(-3, 6, -4), Q(7, -9, 2), and 
A. 3
B. 
C. 3
D. 
Write the word phrase as an algebraic expression. Use x to represent the unknown number.The product of -5 and the sum of a number and 36
A. -5x + 36 B. -5 + 36x C. -5(x + 36) D. -180x
The simple interest note was discounted at 15%. Find the discount period in days and the proceeds.Loan made: Oct 13Face value: $52,000Length of loan: 100 daysRate: 11%Date of discount: Jan 4
A. 17 days, $51,620.41 B. 17 days, $53,209.30 C. 18 days, $51,705.26 D. 18 days, $53,294.15