Function Notation & Operations

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

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Tags

CCSS.HSF.IF.A.2

If f(x) = 4x + 3, find f(x) = 23

• 2.75

• 6.5

• 5
• 95

Tags

CCSS.HSF.IF.A.2

Given f(x) =
2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

Tags

CCSS.HSF.IF.A.2

f(x) = -3x + 9
g(x) = 5x - 7
Find f(x) + g(x). 

• 14x-10
• -8x+2
• 2x+2
• 2x-2

Tags

CCSS.HSF-BF.A.1B

f(n) = 2n + 1
g(n) = 3n
Find f(n) + g(n)

• 5n+1
• -5n+1
• -2n+1
• -6n-1

Tags

CCSS.HSF-BF.A.1B

When f(x) = 4x+8 and g(x) = x+3, find f(x) ⋅ g(x)

• 4x² + 24

• 4x² + 20x + 24

• 4x² + 12x + 24

• 4x² + 4x + 24

Tags

CCSS.HSF-BF.A.1B

f(x) = 4x + 8

g(x) = x + 3,

Find f(x) ⋅ g(x)

• 4x² + 24

• 4x² + 20x + 24

• 4x² + 12x + 24

• 4x² + 4x + 24

Tags

CCSS.HSF-BF.A.1B

f(x)=3x²+1
g(x)=4x+5
What is (f + g)(2)

• 13
• 0
• 26
• 6x²+8x+12

Tags

CCSS.HSF-BF.A.1B

Tags

CCSS.HSF-BF.A.1B

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

• 6
• 7
• 8
• 9

Tags

CCSS.HSF.IF.A.2