2A Unit 7 Review

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What is the range of the function?

• [-1, +∞)
• (-1,1)
• [1.5, +∞)
• (-2, 2)

• (-∞, ∞)
• [-2, 2]
• (-2, 2)
• [-5, 5]

What is the domain of a relation?

• the set of all x-values

• the set of all y-values

What is the range of the graph?

• All real numbers
• To infinity and beyond
• y ≥ -1
• x ≥ 0

What is the domain of the graph?

• All real numbers
• To infinity and beyond
• y ≥ -1
• x ≥ 0

What is the inverse of the points
(1,3)(2,4)(6,8)

• (3,1)(4,2)(8,6)
• (-3,-1)(-4,-2)(-8,-6)
• (1,3)(2,4)(6,8)
• (-1,-3)(-2,-4)(-6,-8)

f(x) = {(3, 7), (4, -2), (5, -1), (8, 7)}
Is f^-1(x) a function?

• Yes
• No
• No way to tell

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1