Question

Find the percent rate of change in these two equations. Round your answers to the nearest tenth. Show your work.

y = ( 1 - 0.221 )^t AND y = 0.5 ( 1 + 1.226 )^t

Answer 1

22.1% decrease

122.6% increase

Explanation:

1 - 0.221 is a decrease:

0.221 × 100

= 22.1% decrease

1 + 1.226

1.226 × 100

= 122.6% increase