Use a Pythagorean identity to find the exact value of the expression.Given cot t = -7 and csc t < 0, find csc t.
A. csc t = -48
B. csc t = -6
C. csc t = -50
D. csc t = -8
Answer: C
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Determine the truth value of the following statement.Assume that p has a truth value of 0.28, q has a truth value of 0.55, and r has a truth value of 0.87. (p ? ~q) ? r
A. 0.45 B. 0.72 C. 0.87 D. 0.55
Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.-21a3 + 15a
A. -3(7a3 + 5a) B. -3a(7a2 - 5) C. -3a2(7a - 5) D. -3a(7a2 + 5)
Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. not a function B. function
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 - 2x - 35 ? 0
A. [7, ?)
B. (-?, -5]
C. [-5, 7]
D. (-?, -5] ? [7, ?)