Perform the indicated operations and simplify. Assume all variables represent positive real numbers.7
- 4
A. 7
- 4
B. 9
C. -9 
D. 3
Answer: C
Mathematics
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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. (A' ? C) ? B'
A. {r, t, u, v, w, s, y, z} B. {y, z} C. {r, t, v, w, x} D. {v, x}
Mathematics
Evaluate the given binomial coefficient.
A. 120 B. 10 C. 40 D. 20
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, - 14) ? (- 14, 14) ? (14, ?) B. (-?, 14) ? (14, ?) C. (-?, - 7) ? (- 7, 7) ? (7, ?) D. (-?, 7) ? (7, ?)
Mathematics
Insert <, >, or = to make the statement true.-9 
-8
A. < B. = C. >
Mathematics