serenapalomino13 serenapalomino13
  • 11-12-2019
  • Mathematics
contestada

If f(x)= | x+5 | + x + 5 , find f(-7)

Respuesta :

creamcheesebun
creamcheesebun creamcheesebun
  • 13-12-2019

| x+5 | refers to the absolute value of x+5, which means it is always positive and f(x) is like y, its a variable

so f(-7) means you sub -7 into x in the function, you get

f(-7)= | -7+5 | + (-7) + 5 = |-2| -2 = 2-2= 0

Answer Link
mibilly04 mibilly04
  • 20-01-2021

Answer:

Step-by-step explanation:

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