Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with d = -5 and a4 = 14, find a20.
A. 71
B. 66
C. -71
D. -66
Answer: D
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Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 
C. 6y
D. 6
Provide an appropriate response.True or false? The statement sin(sin-1 x) = x for all real numbers in the interval -1 ? x ? 1?
A. True B. False
Find the maximum and minimum values of the function and the values of x and y for which they occur.P = 6x + 7y, subject to2x + 3y ? 12,2x + y ? 8,x ? 0,y ? 0.
A. Maximum: 32 when x = 3 and y = 2; minimum: 0 when x = 0 and y = 0 B. Maximum: 24 when x = 4 and y = 0; minimum: 0 when x = 0 and y = 0 C. Maximum: 28 when x = 0 and y = 4; minimum: 0 when x = 0 and y = 0 D. Maximum: 28 when x = 0 and y = 4; minimum: 24 when x = 4 and y = 0
Find the reciprocal of the expression.
A. 
B. 1 - 
C. - 
D. 