austinbrown1 austinbrown1
  • 07-04-2017
  • Mathematics
contestada

What is this function’s input if its output is 11?

f(x) = 2x + 5

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kemanci
kemanci kemanci
  • 07-04-2017
The function's input is 3.
2*3+5=11
6+5=11
11=11 is true
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