Mathematics
Mathematics, 17.11.2019 18:31, Jazongamez1987

Need on number 13 and 14
1.
a psychologist finds that the response to a certain stimulus varies with age group
according to
r= y^4 +2y^3 - 4y^2 -5y +14,
- where r is response in microseconds and y is age group in years. for what age
group is the response equal to 8 microseconds?
2. the profit of a football club after a takeover is modelled by
p(t)=t^3 -14t^2 +20t +120,
where t is the number of years after the takeover. in which years was the club
making a loss?


Need on number 13 and 141.a psychologist finds that the response to a certain stimulus

answer
Answers: 1

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Do you know the correct answer?
Need on number 13 and 14
1.
a psychologist finds that the response to a certain stimulus...

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