If x is a real number and ⌊x⌋=−9 how many possible values are there for ⌊5x⌋?
⌊x⌋=−9⇒x∈[−9,−8)5x∈[−45,−40)so ⌊5x⌋∈{−45,−44,−43,−42,−41}5 possible values
I forgot what |_x_| means...
