#### Answer

See the graphical interpretation below.

#### Work Step by Step

If $f$ is continuous on $[a, b]$, then the horizontal line $y = k$ for every $k$ between $f (a)$ and $f (b)$ intersects the graph of $y = f (x)$ at least once.

Published by
W. H. Freeman

ISBN 10:
1464125260

ISBN 13:
978-1-46412-526-3

See the graphical interpretation below.

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