Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = 4t2, 
A. 
B. 2
C. - 
D. 7
Answer: D
Mathematics
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Evaluate the sum.
A. 708 B. 819 C. 631 D. 735
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms. 
? 
A. - 
B. 
C. 
D. 
Mathematics
Find the missing length(s) in the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. a = 5 cm; b = 75 cm
B. a = 5 cm; b = 5
? 8.66 cm
C. a = 5
? 8.66 cm; b = 7.5 cm
D. a = 5
? 8.66 cm; b = 5 cm
Mathematics
Find the requested vector.v = -3i + 3j + kFind a vector orthogonal to both v and i + j.
A. i + j - 6k B. -i + j - 6k C. i - j - 2k D. -5i + 5j - 7k
Mathematics