# math-plz help

posted by
**elena**
.

Consider the curve f(x)=x^4 between x = -1 and x = 4.

a)What is the volume obtained by revolving the area under the curve around the x-axis?

b)What is the volume obtained by revolving the area under the curve (i.e. between f(x) and the x-axis) around the line y = -5?