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How do linear and exponential functions change over equal intervals?
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.
What describes annual percentage rate?
An annual percentage rate is the average percentage change over a period of a year. The percentage change is the change divided by the initial value, expressed as a percentage.
How do you work out frequency density?
basically this is an exampleAGE (YEARS) FREQUENCY FREQUENCY DENSITYFD= Frequency DensityAge : 0
Downhill skiers race over a course that is 3500 m long in 2 minutes 10 seconds What is their approximate average speed for this course?
The average speed is the distance divided by the time.3500 meters / 130 seconds = approximately 26.9 m/secConverting to kilometers/hour equals 96.9 km/hr (or about 60.2 mph)
The change in y's over the change in x's?
the change in y over the change in x equals the slope(m) in the equation y=mx+b
