Consider the piecewise-defined function defined by $f(x)=\left\{\begin{array}{ll}x^{2}-8 & \text { if } x

Question

Consider the piecewise-defined function defined by $f(x)=\left\{\begin{array}{ll}x^{2}-8 & \text { if } x<4 \ -2 \bar{x}-4 & \text { if } x \geq 4\end{array}\right.$.
(a) Graph $f$ by hand.
(b) Use a graphing calculator to obtain an accurate graph in the window $[-5,15]$ by $[-10,5]$.

Quizplus · Accepted Answer

The Answer of Consider the piecewise-defined function defined by $f(x)=\left\{\begin{array}{ll}x^{2}-8 & \text { if } x<4 \ -2 \bar{x}-4 & \text { if } x \geq 4\end{array}\right.$.
(a) Graph $f$ by hand.
(b) Use a graphing calculator to obtain an accurate graph in the window $[-5,15]$ by $[-10,5]$.

Consider the Piecewise-Defined Function Defined By f(x)={x2−8 if x<4−2xˉ−4 if x≥4f(x)=\left\{\begin{array}{ll}x^{2}-8 & \text { if } x<4 \\ -2 \bar{x}-4 & \text { if } x \geq 4\end{array}\right.f(x)={x2−8−2xˉ−4​ if x<4 if x≥4​

Consider the Piecewise-Defined Function Defined By $f(x)=\left\{\begin{array}{ll}x^{2}-8 & \text { if } x<4 \\ -2 \bar{x}-4 & \text { if } x \geq 4\end{array}\right.$