Mathematics, 15.07.2020 14:01, shelbellingswo

Given that y is directly proportional to (x + 1) and y=2 when x=9. (a) Express y in terms of r.
(b) Find the value of y when r=3.
(c) Find the value of x when y= 3.

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Given that y is directly proportional to (x + 1) and y=2 when x=9. (a) Express y in terms of r.