Solve the inequality, then graph the solution.11 < -3x + 5 ? 23
A. (-6, -2]
B. [2, 6)
C. [-6, -2)
D. (2, 6]
Answer: C
Mathematics
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Solve the problem.A 20-kg mass is attached to a spring that hangs vertically and is stretched 3 m from the equilibrium position of the spring. Assume a linear spring with F(x) = kx. How much work is required to compress the spring and lift the mass 1.5 m? Round to four decimal places when appropriate.
A. 24.5 J B. 318.5 J C. 220.5 J D. 514.5 J
Mathematics
Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x - 6)2 B. y = -x2 - 6 C. y = -(x + 6)2 D. y = -x2 + 6
Mathematics
Simplify.
6
A. 
B. 
C. 
D. 
Mathematics
Simplify by combining like terms.7y + 2xy + 3x + 2y + 9x
A. - 12x + 9y - 2xy B. 12x + 9y + 2xy C. 12x - 9y + 2xy D. 12x + 5y + 2xy
Mathematics