Worked Example If f(x) = 𝑥+|𝑥|, find the value of f(–3) |𝑥| Solution: Put x = –3 in 𝑥+|𝑥| |𝑥| As x < 0, f(x) = |x| would be –x = –3+|–3| |–3| = –3−3 = 2 –3 Page 57 of 177 Algebra I & II