Question

please any one answer.​

Answer 1

Answer:

2.1

Step-by-step explanation:

$\frac{f(1.1) - f(1)}{1.1 - 1} = \frac{{1.1}^{2} - {1}^{2} }{1.1 - 1} \\ \\ = \frac{(1.1 + 1)(1.1 - 1)}{(1.1 - 1)} \\ \\ = 1.1 + 1 \\ \\ = 2.1$