Answer:
m = 1.8
Step-by-step explanation:
Given data is as follows :
x 1 2 3 4 5 6
f 1 4 7 m 6 3
We need to find the value of m if the mean of the data is 3.8.
Mean = sum of observations/no. of observations
So,

So, the value of m is equal to 1.8.
Answer:
Irrational
Step-by-step explanation:
.1212 repeated is irrational because 1, it cannot be written as a fraction and 2, it will never end.
Answer:

Step-by-step explanation:
Given

Required
Translate 1 unit up
Start by replacing y with f(x)

To translate an the graph of an absolute function upward, you make use of the formula;

Where k is the number of units
In this case; 
Hence;
Substitute 

Substitute 

<em>Hence, the resulting equation is </em>
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