f(x) = (4x - 7)/(2x - 4) একটি ফাংশন হলে f(- 1/2) = কত?

A - 9/5

B 9/5

C 7/5

D - 7/5

Correct Answer: Option B

f(x) = (4x - 7)/(2x - 4)
f(- 1/2) = {4(- 1/2) - 7)/{2(- 1/2) - 4}
= (- 2 - 7) /( - 1 - 4)
= - 9/- 5
= 9/5