How do you do this question?

Solution : 3

Step-by-step explanation:

Well there are actually two approaches to this. (1) You could apply the power rule, making it a bit simpler, or (2) use the approach given. Let's just use the approach given so you can learn it as assigned that way:

Funny thing is we will use the power rule anyhow when solving this problem. We want to start by evaluating x^-2/3 on the interval [t to 1].

And now you know that we would have to substitute this value, 3 - 3t^1/3, back into the primary expression.

c

step-by-step explanation: