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Hello! I need some help with this homework question, please? The question is posted in the image below. Q10

Hello! I need some help with this homework question, please? The question is posted-example-1
User Kifsif
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1 Answer

4 votes

SOLUTION:

Case: Using a solution from a graph to form equations

Given: A graph with several answer points

Required: To form an equation from the graph

Method: From the graph the solution points are: 0, 1 and 3. These are the points where the graph cuts the x-axis.

Therefore if:


\begin{gathered} x=\text{ 0, 1 or 3} \\ (x-0)(x-1)(x-3)=0 \\ x(x-1)(x-3)=0 \\ f(x)=\text{ }x(x-1)(x-3) \end{gathered}

Final answer:

f(x) = x(x-1)(x-3). Option (A)

User Jonathan Mayhak
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