Question

Given no other restrictions, what are the domain and range of the following function?

f(x)=−x2+2x−2
(1 point)
Responses

D = all real numbers

R = {y| y ≤ -1}

D = all real numbers R = {y| y ≤ -1}

D = {x| x ≤ 1}

R = all real numbers

D = {x| x ≤ 1} R = all real numbers

D = {x| x ≥ -1}

R = all real numbers

D = {x| x ≥ -1} R = all real numbers

D = all real numbers

R = {y| y ≥ 1}

Answer 1

D = all real numbers
R = {y| y ≥ -3}