Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body's velocity increasing?
A. t < 7
B. t > 7
C. t > 4
D. t < 4
Answer: C
Mathematics
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Simplify using the quotient-to-power rule.
4
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Mathematics
Solve the problem.Find the exponential function that models the data in the table below.
A. f(x) = 22 ? 0.7x B. f(x) = 10.78 ? 0.7x C. f(x) = 10.78 ? 1.3x D. f(x) = 15.4 ? 1.7x
Mathematics
Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.-5x2 - 35x + 15
A. -5x(x2 + 7x - 3) B. -5(x2 + 7x - 3) C. 5(x2 - 7x + 3) D. -5(x2 - 7x + 3)
Mathematics