In Exercises, if $f(x)=$ int $(x),$ find each function value. $$f(-1.5)$$
Added by Steven A.
Step 1
5$. The integer part of a number is the largest integer that is less than or equal to the number. In this case, the largest integer less than or equal to $-1.5$ is $-2$. So, the integer part of $-1.5$ is $-2$. Show more…
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For the following exercises, given each function $f,$ evaluate $f(-1), f(0), f(2),$ and $f(4)$ $$f(x)=\left\{\begin{array}{ll}{5 x} & {\text { if } \quad x < 0} \\ {3} & {\text { if } 0 \leq x \leq 3} \\ {x^{2}} & {\text { if } \quad x>3}\end{array}\right.$$
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Domain and Range
For the following exercises, given each function $f$ , evaluate $f(-1), f(0), f(2),$ and $f(4)$ $$ f(x)=\left\{\begin{array}{ll}{5 x} & {\text { if } \quad x<0} \\ {3} & {\text { if } \quad 0 \leq x \leq 3} \\ {x^{2}} & {\text { if }} & {x>3}\end{array}\right. $$
For the following exercises, given each function $f,$ evaluate $f(-1), f(0), f(2),$ and $f(4)$ $$f(x)=\left\{\begin{array}{lr} 5 x & \text { if } < 0 \\ 3 & \text { if } 0 \leq x \leq 3 \\ x^{2} \text { if } & x > 3 \end{array}\right.$$
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