Perform the conversion.80.89 hectometers = _____ kilometers
A. 0.809
B. 8.089
C. 8089
D. 808.9
Answer: B
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Find the phase shift of the function.y = 2 sin (2?x - 3)
A. 
units to the right
B. 3 units to the right
C. 3 units to the left
D. 
units to the left
Solve the problem.Determinants are used to show that three points lie on the same line (are collinear). If 
= 0,then the points (x1, y1), (x2, y2), and (x3, y3) are collinear. If the determinant does not equal 0, then the points are not collinear. Are the points 
, 
, and 
collinear?
A. No B. Yes
Evaluate.
Solve the problem.A furniture manufacturer decides to make a new line of desks. The table shows the profit, in thousands of dollars, for various levels of production.
Find a quadratic function to model the data, and use the model to predict the profit if 450 chairs are made.
A. Just over $40,000 B. Almost $42,000 C. Almost $44,000 D. Just under $45,000