Annette B.

asked • 09/08/17

Suppose that the functions u and w are defined as follows.

u(x)=x-2 w(x)=2x^2 Find the following (u*w)(4) (w*u)(4) The * represents composition

Mark M.

tutor
Does * represent multiplication or composition?
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09/08/17

Annette B.

multiplication
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09/08/17

Annette B.

It represents composition
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09/08/17

Mark M.

tutor
Well, it cannot be both. Which is it?
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09/08/17

1 Expert Answer

By:

Kenneth S. answered • 09/08/17

Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018

Kenneth S.

To find (uΟw)(4), think of it as u(w(4)) = u(2•42) = u(32) = 32 - 2 = 30.
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09/08/17

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