SubArea: Applications of definite integralLevel: AProject ID: 9000065601Accepted: 1Clonable: 0Easy: 0Find the area of the region bounded by \(x\)-axis, graph of \(f(x) = x + 3\) and lines \(x = -1\) and \(x = 1\).\(6\)\(2\)\(4\)\(8\)