PLSSS HELPP I need the answers

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

This is so hard and it’s for a test