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1 vote
I need some help with this, please. The output of a function is 9 less than 10 times the input. Find the input when the output is 11.

2 Answers

6 votes

So the equation is

  • y=10x-9

Put y=11

  • 10x-9=11
  • 10x=11+9
  • 10x=20
  • x=2
User Whynote
by
3.0k points
6 votes

Answer:

2

Explanation:

10i -9 = 11

10i = 20

I = 2

2 is the answer

User Bradley Harris
by
3.1k points