Determine the viewing window used. 

A.

B.

C.

D.


Answer: C

Mathematics

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Find the exact value. cos²(? / 8) - sin²(? / 8)

What will be an ideal response?

Mathematics

The table shows Jose's expenses for one month. Use the table to answer the question.How much more did Jose spend on food than on phone bills? Monthly ExpensesRent$580Food$161Car repairs, gas$87.39Utilities$52.26Phone (long distance)$55.91Phone (local)$21.29Drumming lessons$87Entertainment$65.19

A. $83.80 B. $75.68 C. $126.38 D. $105.09

Mathematics

Solve the inequality and graph the solution set. - 1 ? 

A. (-?, -1] ? [13, ?)

B. (-?, 13]

C. [-1, 13]

D. (-?, -1]

Mathematics

Solve the problem.The population P, in thousands, of Jonesburg is given byP(t) =  , where t is the time, in months.Graph the function on the interval [0,?) and complete the following:P(t) ?   as t ? ?.

A.

P(t) ? 0 as t ? ?.
B.

P(t) ? 1 as t ? ?.
C.

P(t) ? 50 as t ? ?.
D.

P(t) ? 45 as t ? ?.

Mathematics