The range of the function f(x) = 3x – 2‚ is
A
(- ∞, ∞)
B
R – {3}
C
(- ∞, 0)
D
(0, – ∞)
Answer:
The correct option is A. (- ∞, ∞)
Note
Let the given function is
y = 3x – 2
⇒ y + 2 = 3x
⇒ x = (y + 2)/3
Now x is saisfied by all values.
So, Range{f(x)} = R = (-∞, ∞)