Question

Let

S=\left\\{x∈[-6,3]-\left\\{-2,2 \right\\} :\frac{|x+3|-1}{|x|-2}>=0 \right\\} \space and \space \left\\{T={x∈Z:x^2-7|x|+9<=0}\right\\}

Then the number of elements in S ⋂ T is

• A. 7
• B. 5
• C. 4
• D. 3

Answer 1

Answer: (D)

3

Answer 2

S∩T = {-5, -4 ,3}

S∩T = 3