The function Y2 is defined as Y1 + k for some real number k. Based upon the given information about Y1 and Y2, find k.
A. 4
B. -2
C. -3
D. 5
Answer: C
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Write a polynomial in two variables that describes the total area of the shaded region. Express the polynomial as the sum or difference of terms. 5x + 3y
A. 5x2 + 8xy + 3y2 B. 5x2 + 15xy + 3y2 C. 5x2 + 3y2 D. 5x2 + 5xy + 3y2
Solve the polynomial inequality. Express the solution in interval notation.2x2 - 3x ? 5
A. (-?, -1) ? 
B. 
C. (-?, -1] ?
D. 
Solve the problem.An airplane is sighted at the same time by two ground observers who are 2 miles apart and both directly west of the airplane. They report the angles of elevation as 12° and 
How high is the airplane? Round to the nearest hundredth of a mile.
A. 0.95 mi B. 0.42 mi C. 0.72 mi D. 1.64 mi
Solve.Jim wants to plan a meal with 60 grams of carbohydrates and 560 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. 9 half cups of beans and 7 three-ounce helpings of shrimp B. 2 half cups of beans and 6 three-ounce helpings of shrimp C. 7 half cups of beans and 9 three-ounce helpings of shrimp D. 6 half cups of beans and 2 three-ounce helpings of shrimp