9. A scale model of a building is 9 inches high. The scale is 1 inch = 2 feet. How tall would the building be?
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We have to triple Autumn's earning for each basket, so the table would be
We expect an equation like
where is the initial value, and
is the multiplier. Since we start with 2$, and we triple the amount with each basket, we have
This relation is exponential, because every time a new basket is made, the previous amount is multiplied by a constant. In other words, we have
For the graph, you just need to sketch the points from the table we draw above and connect them