How can the figure size of Matplotlib visualizations be changed in Python?

Hello everyone! I am currently exploring the Matplotlib visualization library in Python to create engaging visuals for my project. However, I encountered a hurdle while attempting to resize some of my plots and charts. I require an increased size for certain visuals in order to clearly view their respective axes and titles. I have included below a code snippet that I used to create a plot of a mathematical function:

I would greatly appreciate it if someone could provide me with various approaches, along with example codes, for resizing plots and graphs in Matplotlib. Your help would be invaluable in furthering my understanding of this visualization library.