Classify the number as one or more of the following: whole number, integer, rational number, irrational number, or real number. 3.9
A. Integer, rational number, real number
B. Real number
C. Rational number
D. Rational number, real number
Answer: D
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 8?
B. 
?
C. 
(2? + 3
)
D. 
(4? - 3
)
For the pair of functions, find the indicated composition.f(x) = 
x, g(x) = - 
xFind (f ? g)(x).
A. x B. 1 C. 0 D. -x
If possible, solve the system of equations. Use any method. If there is not a unique solution to a system, say why. 8x - 3y = 8-16x + 6y = -32
A. No solution; inconsistent system of equations
B. (2, 4)
C. Infinite number of solutions; dependent equations
D. 
Solve the problem.Jim wants to plan a meal with 136 grams of carbohydrates and 1340 calories. If green beans have 7 grams of carbohydrates and 30 calories per half cup serving and if french fried shrimp have 9 grams of carbohydrates and 190 calories per three-ounce serving, how many servings of green beans and shrimp should he use?
A. 5 half cups of beans and 13 three-ounce helpings of shrimp B. 9 half cups of beans and 7 three-ounce helpings of shrimp C. 7 half cups of beans and 9 three-ounce helpings of shrimp D. 13 half cups of beans and 5 three-ounce helpings of shrimp