Describe the graph with a mathematical function

Vyacheslav
Employer

[no-member:pro]Vyacheslav[/no-member:pro]Vyacheslav

1 projects
Closed
Project parameters
Type of cooperationOne-time project
Prepaymentprepayment is possible
Payment methodsElectronic money
Acceptance of requestsclosed
Project description
It is necessary to choose a mathematical function so that its graph is as close as possible to this, which is in the figure.
Project author: Vyacheslav