TELL WHTHER THE FUNCTION IS EXPONENTIAL GROWTH OR DECAY WORKSHEET

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Determine which functions are exponential functions. For those that are not, explain why they are not exponential functions.

Problem 1 :

f(x) = 2^x + 7

Problem 2 :

g(x) = x²

Problem 3 :

h(x) = 1^x

Problem 4 :

f(x) = x^x

Problem 5 :

h(x) = 3 ⋅10^-x

Problem 6 :

f(x) = -3^{x + 1} + 5

Problem 7 :

g(x) = (-3)^{x + 1} + 5

Problem 8 :

h(x) = 2x - 1

Answer Key

1) exponential growth function.

2) quadratic function.

3) constant function.

4) it is neither

5) exponential decay function.

6) an exponential decay function.

7) an exponential decay function.

8) It is a linear function.