X + 3y = 18 -X - 4y = -25
2 answers:
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The initial value of the graph is where . Thus, in this case, the initial value is 12.
The rate of change of the graph is essentially the slope of the graph. In this case, we can use the slope formula:
and
are points on the graph
Let's use two points from the chart to find the slope:
In this case, the rate of change of the graph is 9.
let's firstly convert the mixed fractions to improper fractions and then proceed.