T h e l in e a r f u n c t i o n re p rese n t an e q u a t i o n s : y = m x + b ; A x + B y = C ; A x + B x + C = 0
t h ere f ore : A ) y = 2 x 3 − 3 → NO B ) y = 3 4 x → Y ES → y = m x + b C ) y = 4 x = 4 1 x → Y ES → y = m x + b
The equation that does not represent a linear function is Option A: y = 2 x 3 − 3 . This equation is cubic rather than linear. Options B and C are linear functions.
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