Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A population is increasing according to the exponential function defined by $y = 3 \mathrm { e } \cdot 04 \mathrm { x }$ , where $\mathrm { y }$ is in millions and $\mathrm { x }$ 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) Evaluate $y = 3 \mathrm { e } ^ { - 04 ( 4 ) }$ .
B) Solve $3 \mathrm { e } ^ { \cdot 04 \mathrm { x } } = 12$ .
C) Evaluate $y = 3 \mathrm { e } ^ { - 04 ( 1 / 4 ) }$
D) Solve $3 \mathrm { e } ^ { .04 \mathrm { x } } = 4$ .