Q. If $f (x) = 2 x - 1, g (x) = x^{2}$ , then $(3 f - 2 g) (x) =$

2092 216 Relations and Functions Report Error

A

$5 x - x^{2} + 9$

11%

B

$6 x - 5 x^{2} - 4$

21%

C

$2 x - x^{2} - 3$

19%

D

$6 x - 2 x^{2} - 3$

49%

Solution:

$(3 f - 2 g) (x) = 3 f (x) - 2 g (x)$