Question

If $f(x) = \begin{cases} e^x, & \text{if}\ x\leq1 \\\ mx+6, & \text{if}\ x\gt1 \end{cases}$ be differentiable at x=1. Then the value of m is

• A. 6
• B. e
• C. -6
• D. -e
• E. 1

Answer 1

Answer: (B)

e

Answer 2

The correct option is (B): e