Write a system of inequalities whose solution set is the region shown.
A. y ? -x + 2
y ? -2x + 5
B. y ? x + 2
y ? 2x + 5
C. y ? -x + 2
y ? -2x + 5
D. y ? x + 2
y ? 2x + 5
Answer: A
Mathematics
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Find a power function that models the data in the table. Round to three decimal places if necessary.
A. y =0.742x4.104 B. y = 5.887x1.155 C. y = 4.104x0.742 D. y = 1.935x + 3.53
Mathematics
Solve the problem.A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is 
cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. y = 4 cos 8t
B. y = 4? cos 4t
C. y = -4 cos 
t
D. y = -4 cos 8t
Mathematics
Evaluate.53
A. 243 B. 15 C. 64 D. 125
Mathematics
Use < or > for ? to write a true sentence. Draw a number line if necessary.580 ? 611
A. < B. >
Mathematics