lilmoco52013 lilmoco52013
  • 25-05-2018
  • Mathematics
contestada

if f(x) = 5x + 40, what is f(x) when x equals -5?

Respuesta :

gmany
gmany gmany
  • 25-05-2018
[tex]f(x)=5x+40\\\\x=-5\\\\\text{substitute the value of x to the equation}\\\\f(-5)=5\cdot(-5)+40=-25+40=15[/tex]
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