AP EAMCET2007MathematicsLimits
If f(x)= array lll x-5, & for x 1 4 x^2-9, & for 1 < x < 2 3 x+4, & for x 2, array . then f^ (2⁺ ) is equal to
Options
- A0
- B2
- C3
- D4
Correct answer
C. 3
Step-by-step solution
Given, aligned f(x) & = cases x-5 & for x 1 4 x^2-9 & for 1 < x < 2 3 x+4 & for x 2 cases f^ (2⁺ ) & = _ x 2⁺ ( f(x)-f(2) x-2 ) & = _ x 2⁺ 3 x+4-(6+4) x-2 & = _ x 2 3 x-6 x-2 & =3 aligned