The equation V(t) = 12,000(0.75)^t represents the value of a motorcycle t years after it was purchased. Does the value of the motorcycle increase or decrease? How do you know?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?