If 𝑦 = 3𝑥 − 2, 𝑥 = 3𝑡 + 2 and 𝑡 = 3𝑘 − 2, find an expression for 𝑦 = 𝑓(𝑘).

2 answers

y = 3x-2 = 3(3t+2)-2 = 3(3(3k-2)+2)-2
how did you do that?