The function f(x) = 1.50x + 12.50 relates how much kelsey pays for digital service, f(x), to the number of movies, x, she streams a month. what is the value and meaning of f(18)

f(18) = 39.50This gives the monthly cost Kelsey will pay if she streams 18 movies in a monthStep-by-step explanation:Given function is:[tex]f(x) = 1.50x+12.50[/tex]Here x is the number of moviesso for f(18), this means that the total number of movies will be 18Solving[tex]f(18) = 1.50(18)+12.50\\f(18) = 27+12.50\\f(18) = 39.50[/tex]Hence,f(18) = 39.50This gives the monthly cost Kelsey will pay if she streams 18 movies in a monthKeywords: functions, Domain,rangeLearn more about functions at:brainly.com/question/4021035brainly.com/question/4034547#LearnwithBrainly