Approximate the area under the curve over the specified interval by using the indicated number of subintervals (or rectangles) and evaluating the function at the right-hand endpoints of the subintervals. Compute the approximate area using up to four decimal places as needed.
?
from 
to 
subintervals.
?
A. 9.25 square units
B. 17.5 square units
C. 0.5 square unit
D. 21 square units
E. 37 square units
Answer: D
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Determine the phase shift of the function.y = 5 sin 
A. 
units to the left
B. 4? units down
C. 
units to the right
D. 5? units up
Solve for x, where x is a real number.
= 
A. 49
B. 
C. 7
D. 
Solve.Wind resistance or atmospheric drag tends to slow down moving objects. Atmospheric drag varies jointly as an object's surface area A and velocity v. If a car traveling at a speed of 60 mph with a surface area of 36 ft2 experiences a drag of 367.2 N (Newtons), how fast must a car with 48 ft2 of surface area travel in order to experience a drag force of 595.68 N?
A. 70 mph B. 78 mph C. 75 mph D. 73 mph
Find the unit rate.12 inches of rain after 15 hours
A. 
in./hr
B. 
in./hr
C. 
in./hr
D. 
in./hr