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What is the domain of the following relation? (use correct notation) { (1, 3), (4, 5.5), (6, 9), (10, 0) }. What is the domain of the following relation? (use correct notation) { (1, 3), (4, 5.5), (6, 9), (10, 0) } Answer: {1, 4, 6, 10}.
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What is the domain of the following relation? (use correct notation) • { (1, 3), (4, 5.5), (6, 9), (10, 0) }
What is the domain of the following relation? (use correct notation) • { (1, 3), (4, 5.5), (6, 9), (10, 0) } • Answer: {1, 4, 6, 10}
What is the range of the following relation? (use correct notation) • { (1, 3), (4, 5.5), (6, 9), (10, 0) }
What is the range of the following relation? (use correct notation) • { (1, 3), (4, 5.5), (6, 9), (10, 0) } • Answer: {0, 3, 5.5, 9}
Is the relation a function? Why or why not? • { (1, 3), (4, 5.5), (6, 9), (10, 0) }
Is the relation a function? Why or why not? • { (1, 3), (4, 5.5), (6, 9), (10, 0) } • Yes- each x-value is paired with exactly one y-value
Given the function g(x) = x2+6, evaluate g(-2). • g(-2)=(-2)2 +6 = 4+6 = 10
Given the function h(x) = x+6, evaluate h(a+4). • h(a+4) = a+4+6 = a+10
What is the name of the test we can use to identify if the graph of a relation is a function?
What is the name of the test we can use to identify if the graph of a relation is a function? • Answer: Vertical line test
Is the following relation a function? No- fails vertical line test
What is the domain of this relation? (use correct notation)D: [-5, 5]
What is the range of this relation? (use correct notation)R: [-5, 5]
What is the domain of this relation? D: [-10, 10]
What is the range of this relation? R: [-2, 6]
Evaluate f(9) f(9)=-2
What is the definition of a function? • A function is a relation in which each x-value is paired with exactly one y-value