Solve the problem.Assume t is time measured in seconds and velocities have units of m/s. Find the displacement over the given interval for the velocity function v(t) = 3t2 + t + 7 on 0 ? t ? 2.

A. 13 m
B.  m
C. 24 m
D. 7 m


Answer: C

Mathematics

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Find the indicated probability. Round as indicated.Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally likely and that the births are independent events. Estimate the probability to three decimal places if necessary.

A. 0.773 B. 0.938 C. 0.063 D. 0.164

Mathematics

Find the difference. Simplify the result. - 

A.
B.
C.
D.

Mathematics

Simplify. +  + 

A.
B.  
C.
D.  

Mathematics

Factor completely.75a4 - 108b2

A. 3(5a2 + 6b)(5a2 - 6b) B. 3(5a2 - 6b)2 C. (15a2 + 18b)(5a2 - 6b) D. 3(5a2 + 6b)2

Mathematics