Q9 Examine the following function for continuity at x = 1 and differentiability at x = 2.
f(x)= 5x-4 ,0< x< 1 4x2-3x ,1< x< 2 3x+4 ,x≥2
| 5x-4 ,0< x< 1 |
| 4x2-3x ,1< x< 2 |
| 3x+4 ,x≥2 |
Solution
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