The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
When is the body's acceleration equal to zero?
A. 0 < t < 2, 6 < t < 7
B. 2 < t < 3, 5 < t < 6
C. t = 2, t = 3, t = 5, t = 6
D. t = 0, t = 4, t = 7
Answer: B
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Multiply by 1, 2, 3, and so on, to find ten multiples of the number.2
A. 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 B. 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 C. 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 D. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Use graphical methods to find all real solutions to the following equation. Express solutions rounded to the nearest hundredth.0.37x3 - 5.72x2 + 5.23x + 8.25 = 0
A. {0.81, -1.91, 14.36} B. {-0.82, 8.25, 1.91} C. {-0.81, 1.91, 14.37} D. {0.82, -8.25, -1.91}
Simplify. Leave answer in exponential form with positive exponents only. Assume that all variables represent nonzero quantities.-2z-3
A. 
B. - 
C. - 
D. 2z3
Find a decimal approximation for the fraction or mixed number, rounded to the given place value. 
; hundredths
A. 0.86 B. 0.85 C. 0.857 D. 1.17