Choose all of the equation that model the situation appropriately a) y=20 (1+0.25) ^x Models a growth rate of 25% b) y=50000 (0.8) ^x Models a decay rate of 80% c) y=20 (-0.18) ^x models decay rate of 18% d) y=75000 (1.024) ^x models an increase of 2.4%

Question

Mathematics

Kamora Oconnell

22 June, 02:30

Choose all of the equation that model the situation appropriately a) y=20 (1+0.25) ^x Models a growth rate of 25% b) y=50000 (0.8) ^x Models a decay rate of 80% c) y=20 (-0.18) ^x models decay rate of 18% d) y=75000 (1.024) ^x models an increase of 2.4%

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London Bass · Answer 1

Answer: a and d

Step-by-step explanation: all the models are trying to make use of exponential equation.

Y = P (1 + / - R) ^n

It will be plus (+) when there is a growth or increase

It will be minus when it's decreasing or decaying.