Using the variable x, write the interval using set-builder notation.
A. {x| x < 2}
B. {x| x > 2}
C. {x| x ? 2}
D. {x| x ? 2}
Answer: C
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Perform the indicated operation and write the answer in simplest form.
? 
A. 
B. z
C. z2
D. z3
Solve the problem.A company offers three mutual fund plans for its employees. Plan I consists of 2 blocks of common stocks, 3 municipal bonds, and 4 blocks of preferred stock. Plan II consists of 2 blocks of common stocks, 2 municipal bonds, and 1 block of preferred stock. Plan III consists of 4 blocks of common stocks, 5 municipal bonds, and 5 blocks of preferred stock. An employee combined these plans so that he has 22 blocks of common stock, 27 municipal bonds, and 26 blocks of preferred stock. How many units of plan III might he have?
A. 0, 1, 2, 3, 4, 5, or 6 B. 3, 4, or 5 C. 0, 1, 2, 3, 4, or 5 D. 3, 4, 5, or 6
Multiply. Be sure your answer is simplified.
? 
A. 
B. 
C. 
D. 
Find the intercepts of the function f(x).f(x) = 7x - x3
A. x-intercepts: 0, -7; y-intercept: 0
B. x-intercepts: 0, -7; y-intercept: 7
C. x-intercepts: 0, 
, -
; y-intercept: 7
D. x-intercepts: 0, 
, -
; y-intercept: 0