Solve.The function h = -16t2 + 32t + 168 gives the height h, in feet, of a coin tossed upward from a balcony 
high with an initial velocity of 32 ft/sec. During what interval of time will the coin be at a height of at least 40 feet?
A. [3, 4]
B. [0, 4]
C. [0, 1]
D. [4, 8]
Answer: B
Mathematics
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Construct a truth table for the statement.~p ? ~q
A. 
| T | T | F | F | F |
F T T F F
F F T T T
B.
| T | T | F | F | F |
F T T F T
F F T T T
C.
| T | T | F | F | F |
F T T F F
F F T T F
D.
| T | T | F | F | T |
F T T F F
F F T T T
Mathematics
Multiply.(x + 11)(x3 + 9x - 4)
A. x4 + 11x3 + 9x2 + 95x - 44 B. x4 + 11x3 + 9x2 + 103x + 44 C. x4 + 9x2 - 4x + 11 D. x3 + 20x2 + 95x - 44
Mathematics
Solve the equation by factoring.x2 - 4x - 32 = 0
A. {4, 8} B. {-4, 8} C. {-4, -8} D. {4, -8}
Mathematics
Decide whether or not the events are commutative.Setting the table and eating dinner.
A. No B. Yes
Mathematics