What exponential function is the best fit for the data in the table?

x f(x)

2 -3

3 0

4 12

f(x)=4(4)^(x-1)+4
f(x)=4(4)^(x-1)-4
f(x)=1/4(4)^(x-1)+4
f(x)=1/4(4)^(x-1) -4

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?