Turn on thread page Beta

How write an equation for a curve in the form y=f(x)? watch

    • Thread Starter
    Offline

    5
    ReputationRep:
    I was doing C1 jun 2008 when on Q11 b) I struck on how write in form y=f(x).
    Name:  Capture.PNG
Views: 227
Size:  9.0 KB
    The equation for curve c that i got was y= 1/3x3 + 6x -9x-1 -1
    Offline

    13
    ReputationRep:
    (Original post by Cake_Chan)
    I was doing C1 jun 2008 when on Q11 b) I struck on how write in form y=f(x).
    Name:  Capture.PNG
Views: 227
Size:  9.0 KB
    The equation for curve c that i got was y= 1/3x3 + 6x -9x-1 -1
    All it means is find y as a function of x. That is, express y in terms of x, which you have. Your answer is fine.

    Hope that helps.
    Offline

    19
    ReputationRep:
    (Original post by Cake_Chan)
    I was doing C1 jun 2008 when on Q11 b) I struck on how write in form y=f(x).
    Name:  Capture.PNG
Views: 227
Size:  9.0 KB
    The equation for curve c that i got was y= 1/3x3 + 6x -9x-1 -1
    that is ok
    Offline

    22
    ReputationRep:
    (Original post by Cake_Chan)
    I was doing C1 jun 2008 when on Q11 b) I struck on how write in form y=f(x).
    Name:  Capture.PNG
Views: 227
Size:  9.0 KB
    The equation for curve c that i got was y= 1/3x3 + 6x -9x-1 -1
    That is of the form y=f(x).
    • Community Assistant
    • Study Helper
    Offline

    20
    ReputationRep:
    Community Assistant
    Study Helper
    Ignore my last (deleted) post. I didn't read the initial post properly.
 
 
 
Reply
Submit reply
Turn on thread page Beta
Updated: February 11, 2016

University open days

  • Sheffield Hallam University
    City Campus Postgraduate
    Wed, 17 Oct '18
  • Northumbria University
    All faculties Undergraduate
    Wed, 17 Oct '18
  • Staffordshire University
    Nursing and Midwifery Undergraduate
    Wed, 17 Oct '18
Poll
Who is most responsible for your success at university
Useful resources

Make your revision easier

Maths

Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

Equations

How to use LaTex

Writing equations the easy way

Equations

Best calculators for A level Maths

Tips on which model to get

Student revising

Study habits of A* students

Top tips from students who have already aced their exams

Study Planner

Create your own Study Planner

Never miss a deadline again

Polling station sign

Thinking about a maths degree?

Chat with other maths applicants

Can you help? Study help unanswered threads

Groups associated with this forum:

View associated groups

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.