Question

The slope of the tangent to a curve y = f(x) at (x, f (x)) is 2x + 1. If the curve passes through the point (1, 2), then the area of the region bounded by the curve, the x-axis and the line x = 1 is 

(A) 5/6 

(B) 6/5 

(C) 1/6 

(D) 6

Answer 1

Answer is (A) 5/6

See Fig.