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Mathematics, 02.05.2021 18:40 shaniqwakirkseyniqwa
3.780
A marine manufacturer will sell N(x) power boats after spending $x thousand on advertising, as given by N(x) = 990
5SXS 30
X
(A) Find N'(x).
(B) Find N'(10) and N' (20). Write a brief verbal interpretation of these results.
Interpret N' (10). Choose the correct answer below.
O A. At the $37.8 thousand level of advertising, sales are increasing at the rate of 10 boats per $1,000 spent on advertising
OB. At the $10,000 level of advertising, sales are increasing at the rate of 37.8 boats per $1,000 spent on advertising
O C. The marine manufacturer will sell 37.8 power boats after spending $10,000 on advertising
D. The marine manufacturer will sell 10 power boats after spending $37.8 thousand on advertising.
h
N' (20)= 9.45 (Type an integer or a decimal.)
Interpret N' (20). Select the correct choice below and fill in the answer box to complete your choice.
O A. The marine manufacturer will sell 20 power boats after spending $
thousand on advertising
B. At the $
thousand level of advertising, sales are decreasing at the rate of 20 boats per $1,000 spent on advertising.
O C. The marine manufacturer will sell 9.45 power boats after spending $20,000 on advertising
O D. At the $20,000 level of advertising, sales are increasing at the rate of
boats per $1,000 spent on advertising
Click to select your answer(s).
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javascript:doExercise(10);​
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