Area Under the Curve
Area of Region with Inequalities
nta_pyq_2024_apr
Grade 12
Question:
The area (in sq. units) of the region described by $\{(x,y): y^2\leq2x\text{ and }y\geq4x-1\}$ is:
$\dfrac{11}{32}$
$\dfrac{8}{9}$
$\dfrac{11}{12}$
$\dfrac{9}{32}$
Step-by-Step Solution
Key Concept: Intersections of $y^2=2x$ and $y=4x-1$: $y=1,-1/2$. Integrate horizontally.
Area $=9/32$.
Correct Answer: 4