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36 votes
36 votes
Hi i didn’t understand homework question please and thank u

Hi i didn’t understand homework question please and thank u-example-1
User Amaterasu
by
2.9k points

1 Answer

21 votes
21 votes

We are required to find the value of x for which :


w(x)\text{ + t(x) = x}

Let us step through the values of x:

When x =1:

w(x) = -1, t(x) = -3


\begin{gathered} w(x)\text{ + t(x) = -1 +(-3)} \\ =\text{ -1 - 3} \\ =\text{ -4} \end{gathered}

This is not equal to 1. This is wrong

When x =2:

w(x) = 3, t(x) = -1


\begin{gathered} w(x)\text{ + t(x) = 3 + (-1)} \\ =\text{ 3 - 1} \\ =\text{ 2} \end{gathered}

This is equal to 2. This is correct.

Hence, the value of x for which w(x) + t(x) =x is 2

Answer:

2 (Option B)

User Durbachit
by
2.8k points
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