Functions can be represented using equations, graphs and tables.
The function is given as:

When l = 1, we have:


When l = 2, we have:


When l = 3, we have:


When l = 4, we have:


Represent the above results as a table, we have:
<u>l a(l)</u>
1 0.5
2 2.0
3 4.5
4 8.0
Read more about tables and functions at:
brainly.com/question/13136492
Answer:
x∈{-7√2, 7√2}
Step-by-step explanation:

Answer:

Step-by-step explanation:

Remove these 7 guys from your number
so people who took buses are 318
now divide 318/6 to know how many phone did each bus have