Question

Determine a taxa média de variação da função f(x), no intervalo dado abaixo:

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Answer 1

$\Large\boxed{\begin{array}{l}\boxed{\begin{array}{c|c}\sf x&\sf f(x)\\\sf1&\sf3\\\sf2&\sf12\end{array}}\\\sf TMV=\dfrac{y_2-y_1}{x_2-x_1}\\\\\sf TMV=\dfrac{12-3}{2-1}\\\\\sf TMV=\dfrac{9}{1}\\\\\sf TMV=9\end{array}}$