## Tahmina 2 years ago help with intervals with word problem

1. Tahmina

2. Tahmina

:)

3. hartnn

"rides his bike up a steep hill" |dw:1361116189778:dw|

4. Tahmina

okay

5. hartnn

coasts along a straight road, |dw:1361116258378:dw|

6. hartnn

riding down the hill : |dw:1361116312417:dw|

7. Tahmina

|dw:1361116460046:dw|

8. hartnn

"straight road to friend's house:|dw:1361116375931:dw|"

9. Tahmina

the increasing point is when richard leaves his house and head to the hill is that correct?

10. hartnn

"elevation as he travels in time :" |dw:1361116432209:dw|

11. hartnn

very good, thats correct :)

12. Tahmina

thanks and i think ig ot the second part :) but thanks for your help

13. hartnn

write it in interval notation Interval at which graph is increasing : [0,t_uphill]

14. hartnn

what will come for part C ? decreasing ?

15. Tahmina

[0.ts1] ?

16. hartnn

graph starts decreasing from ts1 till t_downhill, so it'll be [ts1 , t_downhill]

17. Tahmina

thansk!

18. hartnn

welcoem!