Question 935284

 {{{f(x)= -4x^2-8x+4}}}

{{{ graph( 600, 600, -10, 10, -10, 10, -4x^2-8x+4) }}}

domain: {{{R}}}, all real numbers

interval: ({{{-infinity}}},{{{infinity}}})

range:

{ {{{f(x)}}} element {{{R}}} : {{{f(x)<=8}}} }

({{{-infinity}}},{{{8}}}]

so, your answer is: b) the range is less than or equal to {{{8}}}