Write the expression as a complex number in standard form. 20 + (-23 -8i) +7i
here are the answers that are an option

3 + 7i

-3 - i

-3 - 15i

3 + 15i

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The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)