Provide an appropriate response.Simplify and express your answer in terms of positive exponents: 
Fill in the blank(s) with the appropriate word(s).
t to power of ((3))
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When a rock falls near the surface of Earth, it will fall 
feet in t seconds.
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A: Make a graph of distance fallen versus time for up to 10 seconds.
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B: How long will it take the rock to fall 68 feet? Round your answer to two decimal places if necessary.
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C: If the time falling is doubled, how is distance fallen affected?
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What will be an ideal response?
Find a formula for the nth term of the sequence.7, -7, 7, -7, 7 (7's with alternating signs)
A. an = 7(-1)n+1 B. an = 7(-1)2n-1 C. an = 7(-1)2n+1 D. an = 7(-1)n
Graph the function on the indicated interval.y = sin (?x) - 3 cos (2x), 0 ? x ? 6.5 
A. 
B. 
C. 
D. 
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 6.25 inches tall and stand 50 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 7.5 inches from the lowest point of the cable.
A. 0.36 in. B. 2.25 in. C. 0.76 in. D. 0.56 in.