Some friends equally split some containers of strawberries. each container held the same number of strawberries. the expression 3x7 represents how many strawberries each person received when splitting x containers

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x

Can someone check if i did this correct. it’s number 4 if you’re wondering.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?