Linear Functions Review

What is the Domain?

• {-3, -1, 1, 3, 5, 7, 9}
• {-3, -2, -1, 0, 1, 2, 3}
• -3 ≤ x ≤ 3
• -3 ≤ x ≤ 9

What is the domain?

• {-4, -1, 0, 2, 7}
• {-5, -4, -1, 0, 1, 2, 4, 7}
• {-5, 0, 1, 2, 4}
• {5}

What is the Domain?

• -3 ≤ x < 5
• -3 ≤ y < 5
• -8 ≤ x < 5
• -8 ≤ y < 5

What is the domain of this function?

• 1 ≤ f(x) ≤ 7
• 1 ≤ x ≤ 7
• -3 ≤ f(x) ≤ 3
• -3 ≤ x ≤ 3

What is the RANGE?

• -4 ≤ x ≤ 1

• -4 ≤ y ≤ 1

• -2 ≤ x ≤ 3

• -2 ≤ y ≤ 3

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

g(x) = 3x + 1
g(10) = ______

• 14
• 31
• 15
• -31

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

If f(x) = x - 5, what is the value of x when f(x) = 15?

• 20
• 10
• 5
• 0

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing