Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -4i + 3j - 2k
A. ? = 138°, ? = 56°, ? = 112°
B. ? = 140°, ? = 55°, ? = 113°
C. ? = 147°, ? = 51°, ? = 115°
D. ? = 166°, ? = 43°, ? = 119°
Answer: A
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The following table shows the length L, in inches, and the flying speed S, in feet per second , of certain flying animals. L 0.59 3.73 4.71 47.24 62.8 S 21.49 36.96 39.85 61.79 74.6? Use power regression to estimate the flying speed of an animal that is 15 inches long. Round your answer to two decimal places. ?
A. 50.82 feet per second B. 50.56 feet per second C. 51.52 feet per second D. 52.60 feet per second
Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having at least 3 boys?
A. 0.5000 B. 0.3125 C. 0.1563 D. 0.4688
Find the product.(0.55)(0.8)
A. 0.45 B. 0.54 C. 0.44 D. 0.43
Graph the function.f(x) = 3 - ln x
A. 
B. 
C. 
D. 