Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
+ 
A. 3
+ 2
B. 4
C. 3
D. 4
Answer: B
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Solve the problem.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.
Which choice wins using the method of pairwise comparisons?
A. R B. T C. P D. S
Use the encoding matrix E = 
, an additional coding matrix, F = 
, plus the matrices I = 
and O = 
to answer the question.4(E + 3I)
What will be an ideal response?
Graph the linear equation.y = 3x + 2
A. 
B. 
C. 
D. 
Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.2 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
.
A. (S ? d)(t) = 3.99t B. (S ? d)(t) = 3.15t C. (S ? d)(t) = 2.31t D. (S ? d)(t) = 7.1t