Answer:
I think it's obtuse hope this helped have an amazing day
3 Your teacher has disabled instant marking. Your
marks will appear after the due date.
To the nearest pound, Tim has £8
To the nearest 50p, Sue has £4.50
Work out the maximum possible total amount of money.
Give your answer in pounds (£) that is tha answer
We want to evaluate

First we note that the integrand is even (replacing x with -x doesn't fundamentally alter the function being integrated), so this is equal to

The radicand reduces significantly to

so that taking the square root, we simplify the integral to

which is trivially computed with a substitution of
and
:

Answer:
80? I could be very wrong though
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