Simplify the following by combining like terms.- 
x2 + 
x + 
- 
x2 + 
x - 
A. 
x2 + 
x - 2
B. - 
x4 + 
x2 + 
C. - 
x2 + 
x + 
D. 
x6 + 
Answer: C
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Determine the mode or modes, if any, of the set.556° 458° 259° 476° 556° 732° 458° 339° 556° 458°
A. 458° B. No mode C. 556° D. 458°, 556°
An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.(x2 - 1)1/2 ? 
(2x + 5)1/2 ? 2 + (2x + 5)3/2 ? 
(x2 - 1)-1/2 ? 2x
A. 
B. (x2 - 1)1/2 (2x + 5)-1/2(5x2 + 5x - 3)
C. (x2 - 1)1/2 (2x + 5)1/2(5x2 + 5x - 3)
D. 
Find the equation of the transverse axis of the hyperbola.x2 - y2 = 200
A. y = 200x B. y = -x C. x = 0 (y-axis) D. y = 0 (x-axis)
Each serving of Gerber Mixed Cereal for Baby contains 60 calories and 11 grams of carbohydrates, and each serving of Gerber Mango Tropical Fruit Dessert contains 80 calories and 21 grams of carbohydrates. You want to provide your child with at least 340 calories and at least 75 grams of carbohydrates. Draw the feasible region that shows the number of servings of cereal and number of servings of dessert that you can give your child. Find the corner points of the region. ? Let the number of servings of cereal be x, and the number of dessert be y. ?
A. ?
B. ?
?
C. ?
?
D. ?
?
E. ?
?