If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the sam
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<h3>Answer:</h3>
C (see attached)
<h3>Step-by-step explanation:</h3>The linear portion of the graph is defined for x ≥ 1, with the point x=1 included. Only selections A and C do that.
The quadratic portion of the graph is defined for x < 1. Only selection C does that. (Selection A is doubly-defined for x > 1, so is not a function. It is undefined for x < 1.)