Fill in the blank with the correct inequality symbol, using the rules for producing equivalent inequalities.If -3x ? -12, then x 
4.
A. ?
B. <
C. ?
D. >
Answer: C
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Solve the equation by the square root property.(7x + 4)2 = 4
A. 
B. 
C. 
D. 
Find a polynomial equation with real coefficients that has the given roots.-5, -5, 
A. x3 + 5x2 - 5x - 25 = 0 B. x3 - 5x2 - 5x + 25 = 0 C. x4 + 10x3 + 20x2 - 50x - 125 = 0 D. x4 - 10x3 - 20x2 + 50x + 125 = 0
Solve.An investment is worth $3031 in 1994. By 1998 it has grown to $3759. Let y be the value of the investment in the year x, where x = 0 represents 1994. Write a linear equation that models the value of the investment in the year x.
A. y = 
x + 3031
B. y = -182x + 3031
C. y = 182x + 3031
D. y = -182x + 4487
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x3 - 12x + 2; (-5, 5)
A. local maximum at (-2, 18) local minimum at (0, 0) local minimum at (2, -14) B. local minimum at (0, 0) C. local maximum at (-2, 18) local minimum at (2, -14) D. none