Write the given terms as like radicals, if possible. If any variables exist, assume that they are positive.
, 
A. 9
, xy
B. 3
, xy
C. 9
, xy
D. Not possible
Answer: B
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x - 5)2 - 4 B. y = -(x + 4)2 + 5 C. y = -(x - 5)2 + 4 D. y = -(x + 5)2 + 4
Translate the phrase into a mathematical expression and then find the result.968 students per 22 classrooms
A. 968 ÷ 22; 45 r5 students per classroom B. 968 ? 22; 14 students per classroom C. 968 ? 22; 45 students per classroom D. 968 ÷ 22; 44 students per classroom
Use the payoff matrix to determine the best strategy.A backpacker is planning a three-day trip in the backcountry with a friend. She wishes to keep the weight of her pack to a minimum. She has decided to bring either rock climbing shoes or an extra fleece jacket but not both. The fleece jacket will be useful if the weather is cold. The rock climbing shoes will be useful if the weather is warm. In trying to decide which of these two items to bring, the backpacker decides on the utilities shown in the following payoff matrix:WarmColdWeatherWeather
Which of the items should the
backpacker bring if the probability of cold weather is 0.4? A. fleece jacket B. rock climbing shoes C. neither
Compute the dot product u ? v.u = 
, v = 
A. 0 B. -8 C. 8 D. 2