\( = \int _ { 0 } ^ { \frac { \pi } { 2 } } \int _ { \sin 2 z } ^ { 0 } \int _ { 0 } ^ { 2 x - 1 } \sin ( \frac { x } { x } ) d x d y d z \)

For each problem, approximate the area under the given function and above the \( x \)-axis on the given interval using the specified number of rectangles/trapezoids. You may use your calculator. 1.) \( f(x)=x^{2}-3 x+4,[1,4], n=6 \) a) Left Rectangles b) Right Rectangles c) Midpoint Rectangles d) Trapezoids (a)

For each problem, approximate the area under the given function and above the \( x \)-axis on the give interval using the specified number of rectangles/trapezoids. You may use your calculator. 1.) \( f(x)=x^{2}-3 x+4,[1,4], n=6 \) a) Left Rectangles b) Right Rectangles c) Midpoint Rectangles d) Trapezoids

\begin{tabular}{l} For each problem, approximate the area under the given function and above the \( x \)-axis on the given \\ interval using the specified number of rectangles/trapezoids. You may use your calculator. \\ a) Left Rectangles \\ 1.) \( x^{2}-3 x+4,[1,4], n=6 \) \\ b) Right Rectangles \\ d) Trapezoids \\ \hline\end{tabular}

Quelle estla dérivée de la fonction \( f \) ? Wh admettra qu'elle est dérivable sur chaque intervalle contenu dans son domaine de définition \( D=\mathbb{R} \) \[ f: x \mapsto \frac{1}{e^{x}+7} \]

Given that \( \int_{1}^{4} f(x) \mathrm{d} x=5 \), evaluate \( \begin{array}{ll}\text { (a) } \int_{4}^{1} 2 f(x) \mathrm{d} x, & \text { (b) } \int_{1}^{3} \mathrm{f}(x) \mathrm{d} x+\int_{3}^{4}[f(x)+3] \mathrm{d} x\end{array} \)