Fill in the blank with one of the choices listed below. Some choices may be used more than once. 
To write fractions as decimals, divide the 
by the 
.
A. numerator; denominator
B. mean; median
C. median; mean
D. denominator; numerator
Answer: A
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Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = (1 - x)(9 - x)
A. Decreasing on (-?, 1) ? (9, ?); increasing on (1, 9) B. Decreasing on (-?, -1) ? (-9, ?); increasing on (-1, -9) C. Decreasing on (1, 9); increasing on (-?, 1) ? (9, ?) D. Decreasing on (-?, 1); increasing on (9, ?)
Solve.The following graph represents the speed of a truck as a function of time.
a.When does the truck stop accelerating?b. For how long does the truck maintain a constant speed?
A. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 24 seconds. B. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 12 seconds. C. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 8 seconds. D. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 16 seconds.
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 5; zeros: 2, -3i, and 4 - i
A. f(x) = x5 - 10x4 - 42x3 -124 x2 + 297x + 306 B. f(x) = x5 - 10x4 + 26x3 -124 x2 + 72x + 306 C. f(x) = x5 - 10x4 + 26x3 -124 x2 - 72x - 306 D. f(x) = x5 - 10x4 + 42x3 -124 x2 + 297x - 306
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.7
+ 7i
A. 14( cos 330° + i sin 330°) B. 14( cos 60° + i sin 60°) C. 14( cos 30° + i sin 30°) D. 14( cos 300° + i sin 300°)