The Decay Factor of an Exponential Function $P ( t )$

question 47

Multiple Choice

The decay factor of an exponential function $P ( t )$ is 0.43. The initial value is 1.24. Then a formula for P is

• A) \(P = 0.43 \times t ^ { 124 }\)
• B) \(P = 0.43 \times 1.24 ^ { t }\)
• C) \(P = 1.24 \times t ^ { 0.43 }\)
• D) \(P = 1.24 \times 0.43 ^ { t }\)

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