FIND EXPONENTIAL GROWTH OR DECAY RATE WORKSHEET

Rewrite the function to determine whether it represents exponential growth or exponential decay. Then find the percent of change.

Problem 1 :

y = 80(0.85)2t

Solution

Problem 2 :

y = 67(1.13)t/4

Solution

Problem 3 :

y = 5(3/2)-8t

Solution

Problem 4 :

y = 17(2/5)0.65t

Solution

Problem 5 :

y = 4(0.5)t/88

Solution

Problem 6 :

y = 31(1.02)4t

Solution

Problem 7 :

y = 9(1.12)0.3t

Solution

Problem 8 :

y = 750(0.88)t/3

Solution

Problem 9 :

y = (0.64)5t

Solution

Problem 10 :

y = 6(0.82)-0.25t

Solution

Answer Key

1)  0.28 or 28%.

2)  0.03 or 3%.

3) 0.96 or 96%.

4) 0.45 or 45%.

5) 0.01 or 1%.

6) 0.08 or 8%.

7) 0.03 or 3%.

8) 0.04 or 4%.

9) 0.89 or 89%.

10)  0.05 or 5%.

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