Add.-17 + (-23)
A. 6
B. -6
C. 40
D. -40
Answer: D
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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 does the body reverse direction?
A. t = 4 sec B. t = 2, t = 3, t = 5, t = 6, t = 7 sec C. t = 7 sec D. t = 4, t = 7 sec
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose second?
A. BD B. AC C. CD D. BC E. none of these
Solve the problem.Since sin 
= 1 and 
is in the interval 
, sin-1 1 =
A. 
B. - 
C. - 
D. 
Use the rational zero theorem to find all possible rational zeros for the polynomial function.P(x) = -2x4 + 3x3 + 2x2 + 18
A. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18
B. ±1, ±2, ±3, ±6, ±9, ±18
C. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
D. ±1, ± 
, ±2, ±3, ±6, ±9, ±18