Question

помогите пожалуйста ​

Answer 1

$\displaystyle\bf\\1)\\\\f(-3)=-2\\\\f(2)=-1,5\\\\2)\\\\f(x)=2 \ \ \ \Rightarrow \ \ \ \ x=0\\\\f(x)=1 \ \ \ \Rightarrow \ \ \ \ x_{1} =-1 \ \ ; \ \ x_{2} =0,75\\\\3)\\\\D(f)=[-3 \ ; \ 3]\\\\4)\\\\E(f)=[-2 \ ; \ 2]$