Mr. Ravi is a roti canai hawker. The daily profit that he can obtain, in RM, is given by
347211
6x-42
f:x → **, where x is the number of roti canai sold in a day.
For
examines
Proteste intretinereai yang diteral
PAGARAS DENGAN PESO
Peleri sehari.
Determine
(a) the average daily profit obtained by Mr. Ravi if he has sold 231 roti canai in a week,
தொகைாைக ைகயான அgrati
(b) the minimum number of roti canai that must be sold in a day so that Mr. Ravi would not
experience any loss.

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