Evaluate the function.Find f(0, 1, -1) when f(x, y, z) = 4x - 2yz + 3x.
A. 2
B. -2
C. 3
D. -1
Answer: C
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Using Green's Theorem, calculate the area of the indicated region.The astroid r(t) = (8 cos 3t)i + (8 sin3 t)j, 0 ? t ? 2?
A. 12? B. 2? C. 48? D. 24?
Solve.The polynomial function h(x) = -16t2 + 75 describes the height of a falling object after falling t seconds from an initial height of 75 feet. What is the height after 0.5 seconds?
A. 79.0 ft B. 73.1 ft C. 71.0 ft D. 67.0 ft
Classify the statement as an example of theoretical or experimental probability.The probability of at least two tails when three coins are tossed is 
.
A. theoretical B. experimental
Solve the problem.Suppose f(x) = 29 + 1.2log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 36 meters.
A. 44.28 B. -27.12 C. 46.68 D. 30.88