Find the domain of the function.f(x) = 
A. (-?, -1) or (-1, ?)
B. (-1, ?)
C. (-?, ?)
D. (-?, 0) or (0, ?)
Answer: A
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Find the unknown length in the space figure.Find the distance d. Give an exact answer.
A. 7
B. 3
C. 7
D. 
Solve the problem.A bag of chips is 24 ounces. A serving size is 
ounce. How many servings are in the bag of chips?
A. 9
servings
B. 32 servings
C. 6
servings
D. 18 servings
Solve the problem.The polynomial 
gives the predicted sales volume of a company, in millions of items, where x is the number of years from now. Determine the predicted sales 7 years from now. Round your answer to two decimals, if necessary.
A. 35.36 million B. 17.92 million C. 19.55 million D. 14.74 million
Solve the problem.The number of daily calories K needed by a moderately active man who weighs w pounds, is h inches tall, and is y years old, can be estimated by the formula 
. Find the daily caloric need of a moderately active man weighing 216 lbs, who is 79 inches tall and 55 years old.
A. 4264.68 B. 3683.4 C. 4079.88 D. 3868.2