An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula:

Question

N = 1,500 + 200 ln a (a ¡Ý 1)How many units are sold after spending $1,000? (Round your answer to the nearest whole number.)

Answer 1

just plug in a=1000:

N = 1500 + 200 ln1000 = 2882

Answer 2

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula:
N = 6,500 + 200 ln a (a ≥ 1)
How many units are sold after spending $1,000? (Round your answer to the nearest whole number.)
units

Answer 3

7882

Answer 4

2882