You are Here: Home >< Maths

# C1 OCR solomon paper increasing functions Watch

1. Hi can anyone help me with Question 3 on the OCR Solomon paper H

paper--https://a9497d7f220e174d38d014b2b1d8...20C1%20OCR.pdf

Mark scheme -- https://a9497d7f220e174d38d014b2b1d8...20C1%20OCR.pdf

I cant understand why dy/dx has been solved greater than or equal to 0 do you not show that a function is increasing my solving dy/dx> 0
Hi can anyone help me with Question 3 on the OCR Solomon paper H

paper--https://a9497d7f220e174d38d014b2b1d8...20C1%20OCR.pdf

Mark scheme -- https://a9497d7f220e174d38d014b2b1d8...20C1%20OCR.pdf

I cant understand why dy/dx has been solved greater than or equal to 0 do you not show that a function is increasing my solving dy/dx> 0
It's a mistake. The function is stationary at and .
3. (Original post by notnek)
It's a mistake. The function is stationary at and .
AFAIK, increasing is and strictly increasing is .

Edit: after looking it up, I think I agree with you. for is increasing - which is where my confusion stemmed from. Apologies.
4. (Original post by notnek)
It's a mistake. The function is stationary at and .
Glad its a mistake. Cheers for clearing that up

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: May 14, 2016
Today on TSR

### What is the latest you've left an assignment

And actually passed?

### Simply having a wonderful Christmas time...

Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

## Groups associated with this forum:

View associated groups
Discussions on TSR

• Latest
• ## See more of what you like on The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

• 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

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