More Function Notations

Given f(x) = x² - 1, what is the value of f(10)?

• 100

• 101

• 99

• 9

Given f(x)= (2 + x )², what is the value of f(-3)?

• 1

• 25

• -1

• 5

Given f(x) = 3(6 -x), what is the value of f(-8)

• -42

• 6

• -6

• 42

Evaluate f(-2) if f(x) = x²+ 3.

• -1
• 1
• 7
• -7

Solve for f(5):
f(5) = -x + 4

• 9 
• 1
• -1
• -9

Given f(x) = 3(6 -x), what is the value of f(-8)

• -42

• 6

• -6

• 42

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

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

• f(-1) = 5

• f(-1) = -5

• f(-1) = -12

• f(-1) = -10

If f(x) = x²-x+3, what would the function look like once you substitute in a -3 to find f(-3)?

• f(-3) = -3²-3+3

• f(-3) = (-3)² -(-3)+3

• f(-3) = (-3)² -3+3

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5