The profit of a football club after a takeover is modeled by : p(t)=t3-14t2+20t+120, where t is the number of years after the takeover. in which year was the club making a loss?

The club lost during the years

Step-by-step explanation:

we have

where

t is the number of years after the takeover

p(t) is the profit of a football club after a takeover

we know that

If the club has a loss, then the profit is negative.

using a graphing tool

Plot the cubic equation

The profit p(t) is negative in the interval (4.89,11.29)

see the attached figure

Remember that the number of years t cannot be a negative number

therefore

The club lost during the years

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

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