Solve the problem.Find the acceleration at time t = 4 s if the position (in cm) of a particle moving along a line is 
at time t.
A. 317 cm/s
B. 138 cm/s2
C. 138 cm/s
D. 317 cm/s2
Answer: B
Mathematics
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- 
A. 
B. 
C. 
D. 
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Answer the question.If the vertex of the graph of a quadratic function lies in quadrant III and the graph is concave up, how many x-intercepts does the graph have?
A. 2 B. 0 C. 1 D. 3
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Represent the quantity by an integer.finding 68 cents
A. 68 B. -68
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Graph the line.y = - 
x - 3
A. 
B. 
C. 
D. 
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