What's happened to our worksheets?
ExamQA
part b
thanks
Now plug
so
Now you can equate this to
And I would turn '2' into so that you have an equation that has ln(left hand side) = ln(right hand side) so then you can do LHS = RHS and solve it.
Now cancel out ln's from both sides
@further_maths_student
thanks i get it now
for f^2 functions i thought you just square the f function, not substitute the f into f function. How do you know when to just square it or when to see it as a composite function?
@hassan
always represents composite function ff(x)
would be square of the function. Although, I don't see the square of a function that often
Kind of like how
is different to