What is the area of the region bounded by the curve $f(x)=1-\frac{x^2}{4}, x \in[-2,2]$ and the $x$-axis)?

• Correct answer
  A

  $8 / 3$ square units
• B

  $4 / 3$ square units
• C

  $2 / 3$ square unit
• D

  $1 / 3$ square unit

Hence, the correct answer is option: 'A'.