Repeated proportional change is when you take a percentage of a number (e.g. 80% of 50) and multiply it by a percentage.
E.g. 40 is 80% of 50
50 is X% of 40
Find X
40 / 0.8 = 50
50 / 40 = 1.25
1.25 * 100 = 125%
X = 125
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it is a proportional relationship because a proportional relationship is known as a relationship between two quantities in which the ratio of one quantity to the other quantity is constant.
0.225 Repeated, 0.225, 0.25 Repeated and 0.25.
The linear function changes by an amount which is directly proportional to the size of the interval. The exponential changes by an amount which is proportional to the area underneath the curve. In the latter case, the change is approximately equal to the size of the interval multiplied by the average value of the function over the interval.
Directly proportional. Greater speed - greater distance.
The answer is proportional.