Mathematics

Problem

4. Area of the region bounded by the curve

y^{2}=4 x, y

-axis and the line

y=3

is (A) 2 (B)

\frac{9}{4}

(C)

\frac{9}{3}

(D)

\frac{9}{2}

(A) 2 (B)

\frac{9}{4}

(C)

\frac{9}{3}

(D)

\frac{9}{2}