Adding, Subtracting, and Multiplying Functions

When f(x) = 9-3x and g(x) = 5x-7 , find f(x)+g(x). 

• 14x-10

• -8x+2

• 2x+2

• 2x-2

Tags

CCSS.HSF-BF.A.1B

f(x)=5
g(x)=x-1
find (fg)(x)=

• 5x+5

• 5x-5

• -5-5x

• 6x+1

Tags

CCSS.HSF-BF.A.1B

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.HSA.APR.A.1

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

g(x) = x² + x - 2
Find g(x - 3)

• g(x - 3) = x² - 5x + 4

• g(x - 3) = x² - 7x - 14

• g(x - 3) = x² + x + 4

• g(x - 3) = x² - 6x + 10

Tags

CCSS.HSF.IF.A.2

f(x) = 5x + 3
Find f(x + 4)

• f(x + 4) = 5x + 7

• f(x + 4) = 5x + 23

• f(x + 4) = x + 23

• f(x + 4) = 5x + 12

Tags

CCSS.HSF.IF.A.2

f(x)=x²-5
find f(x-1)

• x²-2x-4

• -4+2x+x²

• x²+8x+11

• 4+6x+x²

Tags

CCSS.HSF.IF.A.2

Given that g(x) = -3x and h(x) = 3x.  Find the value of g(1)⋅h(1)

• -9

• -6

• 0

• 3

Tags

CCSS.HSF.IF.A.2

• x = 36
• x = 28
• x = 21
• x = 9

Tags

CCSS.HSF.IF.A.2

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9

• x²-x+9

• x²-x

• x²-x+18

Tags

CCSS.HSF-BF.A.1B