Combining Functions

f(n)=x²+1
g(n)=2x-5
Find f(n)-g(n)

• x²-2x+6
• -x²+2x+4
• -x²-2x-6
• x²-2x-4

Tags

CCSS.HSF-BF.A.1B

f(x)=2x+4
g(x)=3x²-1
Find f(x)*g(x)

• 6x⁴+12x³-4x²-8x
• -6x³+12x²+2x-4
• 6x³+12x²-2x-4
• 5x²-18x+20

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

h(x) = 3x + 3
g(x) = -4x + 1

 $Find\ 2\cdot h\left(x\right)\ +3\cdot g\left(x\right)$  

•  $-6x\ +9$  
  

•  $6x\ +6$  
  

•  $-4x+1$  
  

•  $-6x+24$  
  

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