Find the indicated sum or difference, if it is defined.
- 
A. 
B. not defined
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The function y = cot x - 
csc x has an absolute maximum value on the interval 0 < x < ?. Find it.
What will be an ideal response?
Mathematics
Find the Cartesian product or cardinal number as requested.A = {0}B = {11, 21, 31}Find B × A.
A. {0} B. {0, 0, 0} C. {(11, 0), (21, 0), (31, 0)} D. {(0, 11), (0, 21), (0, 31)}
Mathematics
Evaluate the function f at the indicated value.
{5x + 1, if x < 16x, if 6 ? x ? 116 - 2x, if x > 11
A. 23 B. 36 C. 6 D. -6
Mathematics
Use the order of operations to evaluate the expression.
? (2 ÷ 3 + 4)
A. 
B. 1
C. 
D. 
Mathematics