Solve the problem.A coin is tossed upward from a balcony 
high with an initial velocity of 
During what interval of time will the coin be at a height of at least 
(h = -16t2 + vot + ho.)
A. 0 ? t ? 3
B. 3 ? t ? 6
C. 0 ? t ? 1
D. 2 ? t ? 3
Answer: A
Mathematics
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Apply the Product Rule and simplify the expression. Write the result with positive exponents only.n-1 ? n4
A. 
B. n3
C. n5
D. 
Mathematics
Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x + 4)2
A. vertex (-4, 0)
axis of symmetry: x = -4
B. vertex (0, 4)
axis of symmetry: x = 0
C. vertex (0, -4)
axis of symmetry: x = 0
D. vertex (4, 0)
axis of symmetry: x = 4
Mathematics
Find the quotient using long division.
A. x - 4 B. x - 16 C. x2 - 4 D. x + 16
Mathematics