Write the negation of the statement.~p ? ~q
A. ~(p ? q)
B. ~q ? ~p
C. ~p ? q
D. p ? ~q
Answer: C
Mathematics
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Eliminate the parameter of the pair of parametric equations.x = t2 + 1, y = t2 - 1
A. y = x2 + 2, x ? 1 B. y = x2 - 2, x ? 1 C. y = x - 2, x ? 1 D. y = x + 2, x ? 1
Mathematics
Solve the inequality.x2 - 5x ? 0
A. (-?, -5] or [0, ?) B. [0, 5] C. [-5, 0] D. (-?, 0] or [5, ?)
Mathematics
Find a cofunction with the same value as the given expression.sin 81°
A. cot 9° B. tan 9° C. cos 81° D. cos 9°
Mathematics
Simplify.200 × {[(8 - .025) ÷ 0.05] - (17.5 - 3.01)}
A. 14,501 B. 21,751.5 C. 29,002 D. 36,252.5
Mathematics