Solve the Rational Inequality $\mathrm { P } = \mathrm { t } ^ { 2 } - 33 \mathrm { t } + 270$

question 96

Multiple Choice

Solve the rational inequality. Write the solution set in interval notation.
-The profit made when t units are sold, t > 0, is given by $\mathrm { P } = \mathrm { t } ^ { 2 } - 33 \mathrm { t } + 270$ Determine the number of units to be sold in order for P < 0 (a loss is taken) .

• A) t > 0
• B) t < 15 or t > 18
• C) t = 15 or t = 18
• D) 15 < t < 18

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