Function Notation

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

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

If f(x) = -3x - 8, find f(-1).

• f(-1) = 5

• f(-1) = -5

• f(-1) = -12

• f(-1) = -10

If f(x) = 6x - 9, find f(4).

• (4, 1)

• (4, 33)

• (4, 15)

• (4, -7)

g(x) = 3x + 1
g(2) = _______

• 6
• 7
• 8
• 9

f(x) = x² + 7
x(2) = ______

• 10
• 11
• 13
• 12

• 6

• -6

• 14

• -14

• 16

• 48

• -28

• 4

• -67

• 67

• 77

• -77

• -12

• -43

• 29

• -29

• -20

• 20

• -24

• 24