What is 5 divided by 0.625 and how did you get the answer ?

Pls , the question is in the picture!

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.