(f) x= √ 3-3x x=4,9 f(-4)= 10/20/2013 | David from Melbourne, FL | 1 Answer | 0 Votes Mark favorite Subscribe Comment
Hi David, If f(x) = square root of (3-3x) then f(-4) = square root of (3--12) = square root of (3+12) = square root of 15 10/20/2013 | David S. Comment