Eric Nicholas K's answer to Tara's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Good afternoon Tara! To show that C is an increasing function for all t within 0 to 10, we show that its gradient function, dC/dt, must always have a positive value for all t within 0 to 10.