Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example that disproves the statement.
3. The function , is one-to-one.
The Horizontal Line Test states a function is one-to-one if and only if no horizontal lines intersects its graph more than once.
Use online graphing calculator to sketch the graph of the function as shown in below Figure 1.
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