October 19, 2012

## Which phone should i buy The Huawei u8180 ideos-x1 or Vodafone 858 smart?

I want to buy an android phone which is cheap so i found out there are 2 phones in my price range which is the Huawei u8180 ideos-x1 or the Vodafone 858 smart which phone is better in gaming and everyday use?

Although you want to buy an android phone which is cheap soyou found out there are 2 phones in my price range which is the Huawei u8180 ideos-x1 or the Vodafone 858 smart which phone is better in gaming and everyday use?it will be better if you buy vodafone 858 smart its too good.

## What is the formula for the taxi-distance between (x1, y1) and (x2, y2)?

What is the formula for the taxi-distance between (x1, y1) and (x2, y2)
in high school Geometry terms

(x2 – x1) + (y2 – y1)

This is sometimes called the Manhattan Metric.

HTH

Charles

## Find the average rate of change of the function from x1 to x2?

I need help to find the average rate of change of this function:
f(x)= -2/3x+5 and x1= -5, x2= 3
Please help!!!! I don’t understand this at all!!!! Please show me step by step how to do it if you can! Thanks so much!!!
If you could figure out this one, can you figure out this one?
f(x)=1- square root(x+3)
x1=1 and x2=6