Determine whether the diagram could represent a function.
A. Yes
B. No
Answer: A
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Solve.By Newton's method, find the positive root of the equation 
A. 1.7162523 B. 0.89225713 C. 0.77498081 D. 1.9618842
Using the Law of Cosines, find angle C if a = 10, b = 20, and c = 15.
a. 46.6ø b. 43.4ø c. 133.5ø d. 86.8ø e. 66.7ø
Estimate the sum or difference by first rounding each value to the indicated place value.3.113 + 12.73
round each to the nearest one
A. 15.5 B. 15 C. 16 D. 16.5
Solve the problem.A dual-beam search light is positioned to shine on a prison wall. The light is 4 feet from the wall and rotates clockwise. The light shines on point P on the wall when first turned on 
After t seconds the distance (in feet) from the beam on the wall to the point P is given by the function
Find the value for b if the light beam is to sweep the entire wall in 10 seconds.
A. 
B. 
C. 
D. 