The rate of change of the function represented by the table is -2.5
Rate of change
The rate of change of a function is also known as its slope. The formula for calculating the slope is expressed as;
Slope = y2-y1/x2-x1
Using the coordinate point (1, -8.5) and (2, -6) as given in the table, the rate of change is expressed as:
Rate of change =-6-(-8.5)/2-1
Rate of change = -6+8.5/1
Rate of change = 2.5
Hence the rate of change of the function represented by the table is -2.5
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