Evaluate the expression using the given values.
; x1 = -3, x2 = 7, y1 = -1, y2 = -2
A. - 
B. 
C. - 10
D. - 
Answer: D
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Solve the problem.Any offset between a stationary radar gun and a moving target creates a "cosine effect" that reduces the radar mileage reading by the cosine of the angle between the gun and the vehicle. That is, the radar speed reading is the product of the actual reading and the cosine of the angle. Find the radar reading to the nearest hundredth for the auto shown in the figure. 
A. 94.51 mph B. 97.97 mph C. 96.03 mph D. 21.82 mph
Add or subtract as indicated. Write a sentence answering the question.A hiker started the day with 6.5 liters of water. At the first break, she drank 126 milligrams of water. How many dekaliters of water remained?
A. 0.6374 dekaliter of water remained. B. 6.374 dekaliters of water remained. C. 5.24 dekaliters of water remained. D. 63.74 dekaliters of water remained.
Multiply.6
A. 48x - 42x
B. 48x - 42
C. 48x - 42x
D. 6
Find the x-values where the function does not have a derivative.
A. x = 2 B. x = 1 C. x = 0, x = 1, x = 2 D. x = 0