Graph the equations of the system. Then solve the system to find the points of intersection.
What will be an ideal response?
(3, 1), (4, 0)
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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}
Solve the equation.
= 0
A. {6, -6} B. {-6} C. {6} D. no real solution
Solve the rational inequality. Express the solution in interval notation.
> 0
A. (-1, 5) B. (-?, -1) C. (5, ?) D. (-?, -1) ? (5, ?)
Solve the equation.8x + 5 = 4x - 15
A. 5
B. -20
C. - 
D. -5