function operations

f(x) = 9-3x
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) = 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

If f(x) = 2x² + 5x - 3, evaluate f(4).

• f(4) = 4

• f(4) = 49

• f(4) = 25

• f(4) = 55

Tags

CCSS.HSF.IF.A.2

Evaluate f(t)=-2t²+ 1 for f(2)

• 9
  
• 17
• -17
• -7

Tags

CCSS.HSF.IF.A.2

When f(x) = x² - 9

and g(x) = x + 3 ,

find f(x) / g(x).

• x - 3

• x + 3

• x - 12

• x - 6

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

• -4x⁴ - x³ + 12x² + 3x

Tags

CCSS.HSF-BF.A.1B

Given f(x)= 10 + x and g(x)= 2,

find (f(n) / g(n))

• 5 + x

• 5

• 10 + x/2

• 2/10 + x

Tags

CCSS.HSF-BF.A.1B

f(x)= x² - 1

g(x)= x - 1

Find (f(x)/g(x))

Then simplify using x = 10

• 9

• 11

• 90

• 110

Tags

CCSS.HSF-BF.A.1B

Given the functions

 $f\left(x\right)=x^2+5$  and  $g\left(x\right)=4x-9$  
find  $g-f$  

•  $x^2+4x-4$  

•  $4x^3-9x^2+20x-45$  

•  $x^2-4x+14$   

•  $-x^2+4x-14$  

Answer explanation

Tags

CCSS.HSF-BF.A.1B

Given f(x) = 3x² - 2x + 1 and g(x) = x - 4, find (f⋅g)(x).

• 3x³ - 10x² - 7x - 4

• 3x³ - 14x² + 9x - 4

• 3x² - x - 3

• 3x³ + 14x² - 9x - 4

Tags

CCSS.HSF-BF.A.1B