Exponential Decay and Percentage Conversion

The video tutorial explains exponential decay functions, focusing on converting decay rates between percentages and decimals, and finding decay rates from decay factors. It covers the formula F(x) = A * B^x, where A is the initial amount and B is the decay factor. The tutorial provides step-by-step instructions for conversions and calculations, ensuring a clear understanding of the concepts.

What is the form of an exponential decay function?

• f(x) = A + B^x

• f(x) = A / B^x

• f(x) = A * B^x

• f(x) = A - B^x

If the decay rate is 18%, what is the decay factor?

• 0.18

• 0.82

• 1.18

• 0.72

How do you convert a percentage to a decimal?

• Multiply by 100

• Divide by 100

• Subtract 100

• Add 100

What is the decay factor if the decay rate is 3.7%?

• 0.963

• 0.937

• 0.037

• 0.9637

How do you convert a decimal to a percentage?

• Subtract 100

• Divide by 100

• Multiply by 100

• Add 100

What is the percentage equivalent of the decimal 0.12?

• 1.2%

• 12%

• 0.12%

• 120%

What is the decay factor if the decay rate is 8.5%?

• 0.815

• 0.085

• 0.185

• 0.915

If the decay factor is 0.7, what is the decay rate as a decimal?

• 0.97

• 0.03

• 0.7

• 0.3

What is the decay rate as a percentage if the decay factor is 0.975?

• 0.25%

• 97.5%

• 2.5%

• 25%

What is the decay rate as a percentage if the decay factor is 0.82?

• 8.2%

• 82%

• 18%

• 1.8%