Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 3 - 2
B. 3 - 2
C. 9
D. -3
Answer: D
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Describe the indicated set in words and find the set.(P ? L) - S' , given the following information:The table gives the approximate nutritional value per serving of foods at a certain restaurant.
Let:C = {m : m provides 251 or more calories}P = {m : m provides 20 or more grams of protein}F = {m : m provides 10 or more grams of fat}L = {m : m provides 150 or more mg of calcium} S = {m : m provides 1000 or more mg of sodium}A = {m : m provides 1000 or more A.U. of vitamin A}
A. Foods that provide both 20 or more grams of protein and 150 or more mg of calcium, but have less than 1000 mg of sodium; ? B. Foods that provide either 20 or more grams of protein or 150 or more mg of calcium, but have less than 1000 mg of sodium; {Pizza, Pea Soup, Chicken Salad} C. Foods that provide either 20 or more grams of protein or 150 or more mg of calcium, and have 1000 or more mg of sodium; {Chop Suey, Bean Burrito} D. Foods that provide both 20 or more grams of protein and 150 or more mg of calcium, and have 1000 or more mg of sodium; {Chop Suey, Bean Burrito}
Factor any perfect square trinomial, or state that the polynomial is prime.121x2 - 22x + 1
A. (11x + 1)(11x - 1) B. prime C. (11x - 1)2 D. (x - 11)2
Find the rule that defines each piecewise-defined function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Find a general term an for the arithmetic sequence.a1 = 4, d = 2
A. an= n + 2n B. an= 4n C. an= 2n + 4 D. an= 2n + 2