Question 1085671
 the domain and range of the following functions:

a. 
{{{y=3-x }}}
  
domain: {{{R}}} (all real numbers) 

range:  {{{R}}} (all real numbers) 

b. 
{{{y=-4x^2}}}

domain: {{{R}}} (all real numbers) 

range:  { {{{y}}} element {{{R}}} : {{{y<=0}}} } (all non-positive real numbers)

  
c.
{{{f(x)=abs(x-8)}}}
  
domain: {{{R}}} (all real numbers) 
range: { {{{f}}} element {{{R}}}: {{{f >=0}}} } (all non-negative real numbers)


d. 

{{{g(x)=-2/3}}}

domain: {{{R}}} (all real numbers)
range:{ {{{g}}} element {{{R}}} : {{{g =-2/3}}} }