Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.
A. cos x
B. sin x
C. csc x
D. sec x
Answer: D
Mathematics
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Solve the problem.Given 
f(x) = Ll, 
f(x) = Lr , and Ll = Lr, which of the following statements is false? I. 
f(x) = Ll II. 
f(x) = Lr III. 
f(x) does not exist.
A. I B. II C. none D. III
Mathematics
Solve the problem.Find the value for x in the rectangular prism. Use exact values. 
7 in.
A. 3
in.
B. 
in.
C. 2
in.
D. 310 in.
Mathematics
Evaluate the polynomial at the given value(s) of the variable(s).-5x3
x = -4
A. 320 B. -500 C. -320 D. 500
Mathematics
Solve the inequality. Express your answer using interval notation.-3x + 5 ? -4x + 7
A. [2, ?)
B. [12, ?)
C. (-?, 2]
D. (-?, 2)
Mathematics