Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


You use to say "y=2x+3;solve for y when x = -1." now you say "f(x) =2x +3;find f(-1)."pronounced as"f-of-x is 2x plus three; find "f-of-x-negative-one.
Yoy do examly the same with the other case. You plug in-1 for x multiply by 2 and then add the 3, simplifying to get the value +1 diba!! Ang dali
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts