 # Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. 2. A(n) uses division to compare two quantities. ? ? The set of inputs of a function.

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Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. 2. A(n) uses division to compare two quantities. ? ? The set of inputs of a function is called the of the function. The set of outputs of a function is called the of the function. ? 1. domain; range ANSWER ratio ANSWER

3. y = x + 6; domain : 0, 2, 4, 6, and 8 Prerequisite Skills SKILLS CHECK Graph the function. ANSWER

Prerequisite Skills SKILLS CHECK Graph the function. 4. y = 2x + 1; domain : 0, 1, 2, 3, and 4 ANSWER

Prerequisite Skills SKILLS CHECK Graph the function. 5. y = x ; domain : 0, 3, 6, 9, and 12 2 3 ANSWER

Prerequisite Skills SKILLS CHECK Graph the function. 6. y = x – ; domain : 1, 2, 3, 4, and 5 1 2 ANSWER

7. y = x – 4; 5, 6, 7, and 9 Prerequisite Skills SKILLS CHECK Graph the function. ANSWER

Prerequisite Skills SKILLS CHECK Graph the function. 8. y = x + 1; 2, 4, 6, and 8 1 2 ANSWER

y = – x + 1 2 5 2 9. 6x + 4y = 16 Prerequisite Skills SKILLS CHECK Write the equation so that y is a function of x. y = – x + 4 3 2 ANSWER 10. x + 2y = 5 ANSWER y = 2x – 2 11. –12x + 6y = –12

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