Unit 1 Review

What is the domain of this function?

• { y | -∞ < y < ∞ }
• { x | 1 ≤ x < ∞ }
• { x | -∞ < x < ∞ }
• { y | 1 ≤ y < ∞ }

What is the range of this function?

• { y | -∞ < y < ∞ }
• { x | 1 ≤ x < ∞ }
• { x | -∞ < x < ∞ }
• { y | 1 ≤ y < ∞ }

What is the equation that matches this graph?

• f(x) = |x-1|-2
• f(x) = |x-2|-1
• f(x) = |x+1|-1
• f(x) = |x+2|-1

Which inequality matches this scenario?

• |l – 0.2| ≤ 10
• |l – 0.2| ≥ 10
• |l – 10| ≤ 0.2
• |l – 10| ≥ 0.2

The table of values represents f(x). What is the value of f^-1(-1)

• 1
• 5
• -1
• 0

Which interval represents the range of the function f(x)=-2x²+24

• [24,∞)
• (-∞,24]
• [-2,∞)
• (-∞,-2]

Which inequality matches the graph?

• | x + 4 | + 3 ≤ 11
• | x + 4 | + 3 < 11
• | x + 8 | + 3 ≤ 7
• | x + 8 | + 3 < 7

What is the solution to the inequality 2| x + 4 | -7 > -3

• -6 < x < -2
• -2 < x < 6
• -6 < x < 2
• 2 < x < 6

Which equation is the inverse,
f^-1(x) of the function f(x)=6x-3

• f^-1(x) = 1/6x + 1/2
• f^-1(x) = 1/6x - 1/2
• f^-1(x) = -1/6x - 1/2
• f^-1(x) = -1/6x + 1/2