Use cylindrical coordinates to find the volume of the indicated region.the region enclosed by the paraboloids 
and 
A. 162?
B. 81?
C. 243?
D. 324?
Answer: B
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Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 32 B. 64 C. 96 D. 16
Solve the problem.A baseball pitcher throws a baseball with an initial speed of 138 feet per second at an angle of 20° to the horizontal. The ball leaves the pitcher's hand at a height of 4 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 129.68t, y = -16t2 + 47.2t + 4 5.725 sec, 1.475 sec, 282.48 feet B. x = 129.68t, y = -16t2 + 47.2t + 4 2.863 sec, 1.475 sec, 3.985 feet C. x = 129.68t, y = -16t2 + 47.2t + 4 6.065 sec, 1.475 sec, 34.81 feet D. x = 129.68t, y = -16t2 + 47.2t + 4 3.032 sec, 1.475 sec, 38.81 feet
Solve.6r + 10 = 52
A. 40 B. 36 C. 7 D. 1
Use the given data points to construct a linear model, then use the model to find the appropriate Celsius or Fahrenheit temperature.
Choose any two data points and use them to construct a linear equation that models the data, with x being Fahrenheit and y Celsius. Then use the equation to find the Celsius temperature corresponding to 113° Fahrenheit.
A. y = 
(x - 32); 146° Celsius
B. y = 
(x + 32); 261° Celsius
C. y = 
(x - 32); 45° Celsius
D. y = 
(x + 32); 81° Celsius