Who discovered that exposing certain silver compounds to light altered their appearance? a Louis Daguerre
b Johann Heinrich Schultz
c Henry Fox Talbot
d Alhazen

Which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same. which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.

Sigmund freud had much to do with the belief that

2+2+2+2+2++2+2+2+2+22+2+2+2+22+2+2+ 2+22+2+2+2+22+2+2+2+22+2+2+2+22+2+2 +2+2=