Welcome to the forum!

could anyone please help. I could not able to differentiate

a) and c) are now easy to figure. Can you do it?

]]>C= 8((1.5t+11.5)^4)^(1/3) '0' less than or equal to 't' less than or equal to '7'

where 't' is measured in years

a) what will be the initial cost per component be?

b) Find the average rate at which the cost per component is changing over the first seven years

c) Find the rate of change in cost per component after 4 years of operation

could anyone please help. I could not able to differentiate

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