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1. According to Inter Agency Task force (IATF), the number of infected by
Corona Virus disease 2019 (covid19) will rise if not prevented, P, can be
modeled by the function P(i) 9i3-612 + 3i+1 just in a week, where i
represents the number of infected. How many will be infected if 5 positive
case will enter in a certain barangay?​


Sagot :

Answer:

991 people

Step-by-step explanation:

(1) Substitute i = 5 and simplify

[tex]p(i) = 9 {i}^{3} - 6 {i}^{2} + 3i + 1 \\ p(5) = 9 {(5)}^{3} - 6( {5})^{2} + 3(5) + 1 \\ p(5) = 9(125) - 6(25) + 15 + 1 \\ p(5) = 1125 - 150 + 16 \\ p(5) = 1141 - 150 \\ p(5) = 991[/tex]

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