PLS HELP ASAP 25 POINTS what 3d object is generated by rotating the rectangle about the x-axis.
a. a cylinder. with a radius of 2 and height 4
b. a cone with a radius of 4 and height 2
c. a cone with radius2 and height 4
d. a cylinder. with a radius of 4 and height 2

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?