briananagy0621
briananagy0621 briananagy0621
  • 21-11-2018
  • Mathematics
contestada

If f(x)=2x+3 and g(x)=5x-6, what does f(g(x))= ?

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 21-11-2018

f(g(x) =

put in the function g(x) in for x in the function f(x)

f(g(x) = 2(g(x)) +3

substitute 5x-6 for g(x)

       = 2 (5x-6) +3

distribute

       = 10x -12 +3

combine like terms

       = 10x-9


f(g(x) =  = 10x-9

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