kelerobedfsdf kelerobedfsdf 03-10-2020 Mathematics contestada VERY URGENT PLZ HELPIf f(x)=[tex]x^{2}[/tex]−x , then evaluate f(a−4) . A) [tex]a^{2}[/tex]−9a+20 B) [tex]a^{2}[/tex]−9a+12 C) [tex]a^{2}[/tex]−a−20 D)[tex]a^{2}[/tex]−4
