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lesya [120]
3 years ago
14

Find (f+g)(x) if f(x)=2/x+1 and g(x)=x-2

Mathematics
1 answer:
Semmy [17]3 years ago
4 0
<span>(f+g)(x) if f(x)=2/x+1 and g(x)=x-2  

Add f and g together:     (f+g)(x) = (2/x) + 1 + x - 2 = (2/x) + x - 1</span>
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Answer:

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(b) Solve for x :  

\begin{array}{rcl}y& = &\dfrac{2x + 6}{5}\\\\5y & = & 2x + 6\\5y - 6 & = & 2x\\x & = & \mathbf{\dfrac{5y - 6}{2}}\end{array}

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The graphs of inverse functions are reflections of each other across the line y = x.

In the diagram, the graph of h⁻¹(x) is the reflection of h(x) about the line y = x.

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