Answered

For three minutes the temperature of a feverish person has had negative first derivative and positive second derivative.

Which of the following is correct?

A.) The temperature fell in the last minute, but less than it fell in the minute before.
B.) The temperature rose two minutes ago but fell in the last minute.
C.) The temperature rose in the last minute more than it rose in the minute before.
D.) The temperature rose in the last minute, but less than it rose in the minute before.

Answer :

Answer:

A.) The temperature fell in the last minute, but less than it fell in the minute before.

Step-by-step explanation:

Given that for three minutes the temperature of a feverish person has had negative first derivative and positive second derivative.

i.e. it temperature is represented by T, temperature is variable with

first derivative T' <0 and second derivative T">0

i.e. rate of change of temperature is negative or temperature is falling down in 3 minutes.

But the rate of rate of change of temperature was positive i.e. the rate of change of temperature is increasing as time increases.

So correct option would be option A

A.) The temperature fell in the last minute, but less than it fell in the minute before.

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