Answer:

Step-by-step explanation:
From the question, Diana wants her total bill to be less than $50.
Diana pays a fixed monthly bill of
$39 for her mobile phone and an additional
$0.15 per minute for phone internet service.
The bill Diana pays for m minutes of using the internet is $0.15m in a month.
The total monthly bill becomes,

The maximum bill she wants to pay is $50.

This inequality can be solved to determine the number of available minutes.
Subtract 84 on the other side of the equal sign and bring down c and the answer you get from 111 - 84.
So basically you need to ......
Hope it helps
You can treat sq rt5 as a variable even though it is a number:
Ex: x + x = 2x
Or as a number: 5 + 5 = 10 or 2(5)
So sq rt5 + sq rt5 = 2sq rt5
The range is: {3,-5}
Step-by-step explanation:
Given

We will get the range by putting the values given in domain in the function
Putting x=-4

Putting x=-2

Putting x=0

Putting x=2

The range is: {3,-5}
Keywords: Functions, Range
Learn more about range at:
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