Practice problem

Piecewise Linear Functions

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Jerry cuts his grass every Sunday. What is a possible function that represents the grasses growth in inches during a month ( $30$ days)?

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f(x)=\begin{cases} x+2&1\le{x}<8\\ x+2&8\le{x}<15\\ x+2&15\le{x}<22\\ x+2&22\le{x}<29 \end{cases}

f(x)=\begin{cases} x^2+2&1\le{x}<8\\ x^2+2&8\le{x}<15\\ x^2+2&15\le{x}<22\\ x^2+2&22\le{x}<29 \end{cases}

f(x)=\begin{cases} x+2&1\le{x}<8\\ x-5&8\le{x}<15\\ x-12&15\le{x}<22\\ x-19&22\le{x}<29 \end{cases}

f(x)=\begin{cases} x+2&1\le{x}<8\\ x+2&1\le{x}<8\\ x+2&1\le{x}<8\\ x+2&1\le{x}<8\\ \end{cases}