Question

Nicholas has saved $95, and he wants to buy DVDs that cost $5.50 each. The equation f (x) = -5.50x+95 represents the number of dollars y left in his savings after purchasing x DVDs. Which statement is incorrect?

Nicholas cannot buy 18 DVDs because f (18)<0.

Nicholas has $84 left after purchasing 2 DVDs because f (2)=84.

Nicholas has $1.50 left after purchasing 17 DVDs because f (17)=1.5.

Nicholas has $15 left after purchasing 20 DVDs because f (20)=15.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The incorrect statement is: Nicholas cannot buy 18 DVDs because f (18)<0.

The correct statement should be: Nicholas cannot buy 18 DVDs because f (18)=0.