If $t(x)=x^{2}$, find $\frac{f(1.1)-f(1)}{(1.1)-1} .$
Given:
f(x) = x2
Therefore,
$\frac{f(1.1)-f(1)}{(1.1)-1}=\frac{(1.1)^{2}-(1)^{2}}{(1.1-1)}=\frac{1.21-1}{0.1}=\frac{0.21}{0.1}=2.1$
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