The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
What is the body's acceleration when t = 8 sec?
A. 1 ft/sec2
B. 0 ft/sec2
C. 1.67 ft/sec2
D. -2 ft/sec2
Answer: C
Mathematics
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Provide an appropriate response.Solve the following system algebraically: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the number without exponents.7.960 × 107
A. 7,960,000 B. 79,600,000 C. 557.2 D. 796,000,000
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = x2 + 4x + 10
A. 
, (0, 10)
B. 
, (0, -10)
C. No x-intercepts, (0, -10)
D. No x-intercepts, (0, 10)
Mathematics
Find the root.
A. 25 B. 8.368 C. not real number D. 5
Mathematics