47 Use a definite Integral to find the area under the curve of

Use a definite Integral to find the area under the curve of the… Use a definite Integral to find the area under the curve of the given functions between the given a and b values.                         ?(?) = ?3from a = 0 to b = 2   I have answer because it is in the back of the book, I just need help figuring out how to get to the answer.  Answer:   ?02? x3 dx = 4,    4 square units  Math CalculusMATH 70517