Asked by Sofie

If y = 3 x – 2 , x = 3 t + 2 and t = 3 k – 2 , find an expression for y = f ( k ).
Answered by oobleck
thought we already did this ...

y = 3x-2 = 3(3t+2)-2 = 3(3(3k-2)+2)-2 = ....
now just simplify -- I mean, you need to do <u>some</u> of the work, yeah?
Answered by Richard
what would the expression be? you just solve it and get what each variable equals to.
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