A Population Is Increasing According to the Exponential Function Defined $\mathrm { y } = 3 \mathrm { e } .04 \mathrm { x }$

question 416

Multiple Choice

A population is increasing according to the exponential function defined by $\mathrm { y } = 3 \mathrm { e } .04 \mathrm { x }$ , where $\mathrm { y }$ is in millions and $x$ is the number of years. Which of the following should be done in order to answer the question "How large will the population be in 4 years?"

• A) Solve \(3 e ^ { .04 x } = 4\).
• B) Evaluate \(\mathrm { y } = 3 \mathrm { e } \cdot 04 ( 1 / 4 )\).
• C) Solve \(3 e ^ { .04 x } = 12\).
• D) Evaluate \(y = 3 e ^ { - 04 ( 4 ) }\).

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