8cnx7429ny 8cnx7429ny
  • 14-01-2022
  • Mathematics
contestada

If f(x) = 5x + 40, what is f(x) when x = -5?
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Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 18-01-2022

Answer:

  15

Step-by-step explanation:

When you are evaluating a function for a particular value of the variable, put that value everywhere you see the variable. Then simplify.

  f(x) = 5x +40

When x = -5, this becomes ...

  f(-5) = 5(-5) +40 = -25 +40

  f(-5) = 15

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