The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
When is the body moving forward?
A. 0 < t < 1, 3 < t < 4, 5 < t < 7, 9 < t < 10
B. 0 < t < 3, 3 < t < 5, 5 < t < 8
C. 0 < t < 1, 3 < t < 4, 5 < t < 7
D. 0 < t < 8
Answer: A
Mathematics
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Insert < or > to make the statement true.0 _____ 4
A. > B. <
Mathematics
Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so. 6x + 5y = 30-3x + 3y = -15
A. {(5, 0)} B. ?; inconsistent system C. {(4, 1)} D. {(5, 1)}
Mathematics
Find the quotient.
A. - 
B. -38
C. 28
D. -28
Mathematics
Match the graph with its function using the x-intercepts.
A. y = x-2 - x-1 + 2 B. y = x-2 + x-1 + 2 C. y = x-2 + x-1 - 2 D. y = x-2 - x-1 - 2
Mathematics