Evaluate the expression without using a calculator.253/2
A. 15
B. 50
C. 3125
D. 125
Answer: D
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Express the given function as a composite of functions f and g such that y = f(g(x)).y = (4x + 3)7
A. f(x) = 4x + 3, g(x) = x7 B. f(x) = x7, g(x) = 4x + 3 C. f(x) = (4x)7, g(x) = 3 D. f(x) = 4x7, g(x) = x + 3
Solve the problem.List all possible proper subsets of the set {2, 6, 7}.
A. ?, {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7} B. {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7} C. {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7}, {2, 6, 7} D. ?, {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7}, {2, 6, 7}
Find the extreme values of the function subject to the given constraint.
A. Maximum: 6 at 
minimum: -3 at 
B. Maximum: 6 at 
minimum: 3 at 
C. Maximum: 11 at (6, 3, 2), (6, 2, 3), (3, 2, 6), (3, 6, 2), (2, 3, 6), (2, 6, 3); minimum: 1 at 
D. Maximum: 9 at 
minimum: 3 at 
Simplify the sum.(3y - 3) + (8y - 9)
A. 11y + 12 B. -5y - 12 C. 17y D. 11y - 12