Practice of Function Operations, Composition, and Inverse's

f(x)= 4x-7
g(x)= 6x-8
Find f(x)+g(x)

• 2x+15
• 10x-15
• -2x-15
• 10x+1

Tags

CCSS.HSF-BF.A.1B

f(x)= 2x+6
g(x)= -3x+2
Find f(x)-g(x)

• 5x+8
• -x+8
• x+4
• 5x+4

Tags

CCSS.HSF-BF.A.1B

f(x) = 6x-8
g(x) = -2x
Find f(x)+g(x). 

• 4x-8
• -4x-8
• 8x-8
• -8x-8

Tags

CCSS.HSF-BF.A.1B

f(x) = 6x-8
g(x) = -3x+2
Find f(x)-g(x). 

• 9x-6
• 9x-10
• 3x-6
• 3x+6

Tags

CCSS.HSF-BF.A.1B

f(x) = 6x-8
g(x) = -2x
Find 3f(x)+4g(x). 

• 26x-24
• 4x-5
• 10x-24
• 4x+10

Tags

CCSS.HSF-BF.A.1B

f(x) = 2x+6
g(x) = 4x-7
Find 5f(x)-3g(x). 

• 6x-1
• -2x+9
• -4x+12
• -2x+51

Tags

CCSS.HSF-BF.A.1B

f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

• 16
• 4
• -4
• None of these.

Tags

CCSS.HSF-BF.A.1C

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

f(x)=x³-3x
g(x)=-4x+1
Find f(x)*g(x)

• -4x³-5x²-3
• -4x³+2x²-3x
• -4x⁴+x³+12x²-3x
• -4x^4-x³+12x²⁺3x

Tags

CCSS.HSF-BF.A.1B

p(x) = 3x + 4
q(x) = 2x²
Find q(p(-2))

• 8
• -8
• 28
• None of these.

Tags

CCSS.HSF-BF.A.1C