Identify the domain and the range of the relation from the graph.
A. Domain: [-5, ?)
Range: (-?, ?)
B. Domain: (-?, ?)
Range: [-5, ?)
C. Domain: (-?, ?)
Range: [5, ?)
D. Domain: [5, ?)
Range: (-?, ?)
Answer: A
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Solve the problem.Fireworks are launched into the air. The quadratic function 
models the fireworks' height, y, in feet, x seconds after they are launched. When should the fireworks explode so that they go off at the greatest height? What is that height? (Round answers the nearest hundredth.)
A. -6.22 sec, 612.77 ft B. 6.22 sec, 624.77 ft C. 6 sec, 199 ft D. 1104 sec, 6 ft
Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers R and S. What is the cost of 100 batches from supplier R? 
A = 
B = 
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A. $16,800
B. $17,900
C. $13,200
D. $6,600
Solve the problem.One pound of an ingredient yields 3
cups of the final product. How many pounds of this ingredient will be required by a recipe that yields 5 cups of the final product?
A. 1
lb
B. 18
lb
C. 1
lb
D. 4
lb
Write the statement in symbolic form.The set of irrational numbers is a subset of the real numbers.
A. I ? R B. Q ? R C. I ? R D. I ? W