Question

If f(x) = `1/sqrt(4 - 3x)`, then dom(f) = ______..

विकल्प

• `"R" - {4/3}`

• `(4/3, oo)`

• `[4/3, oo)`

• `(-oo, 4/3)`

Answer 1

If f(x) = `1/sqrt(4 - 3x)`, then dom(f) = `(-oo, 4/3)`.

Explanation:

For Dom(f), 4 – 3x > 0

⇒ `4/3 > x`

Hence, D_r = `(-oo, 4/3)`