Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes
B. No
Answer: A
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Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the acceleration for the specific value of t.x = 4t2 - 1, y = -2t2 - 6, t = 8
A. 8.94; 333.4° B. 8.94; 153.4° C. 71.55; 153.4° D. 71.55; 333.4°
Solve the problem.A water tank is formed by revolving the curve y = 3x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y9
B. V(y) = 
y3/2
C. V(y) = 
y1/2
D. V(y) = 
y3/2
Solve the problem.The formula for converting Fahrenheit temperatures to Celsius temperatures is 
Use this formula to solve the problem. In a certain city, the average temperature ranges from 
to 
Celsius. Find an inequality that represents the range of Fahrenheit temperatures. If necessary, round to the nearest tenth of a degree.
A. -73.4° ? F ? 47.2° B. 19.2° ? F ? 56.4° C. -9.4° ? F ? 111.2° D. -41.4° ? F ? 79.2°
Sketch the region R whose area is given by the following double integral.
?
?
A. ?
B. ?
?
C. ?
D. ?
E. ?
?