Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body moving backward?
A. t > 4
B. 0 ? t < 4
C. 1 < t < 4
D. 0 ? t < 1
Answer: C
Mathematics
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Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.7x2 - 27x + 4
A. (7x - 1)(x + 4) B. (7x + 1)(x - 4) C. (7x - 4)(x + 1) D. prime
Mathematics
Solve for x in the proportion.
= 
A. 20
B. 5
C. 
D. 2
Mathematics
Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
-4
A. 
B. 
C. 
D. - 
Mathematics
Given the graph of the function f(x), find a formula for g(x) in terms of f.f(x)g(x)
?
A. g(x) = 2f(x)
B. g(x) = f(x + 2)
C. g(x) = f(x) + 2
D. g(x) = 
f(x)
Mathematics