#### Answer

The interval of $t$-values is $-\frac{1}{2}\leq t\leq 3$.

#### Work Step by Step

The coordinates $(0,-7)$ and $(7,7)$ correspond to $t=-\frac{1}{2}$ and $t=3$, respectively. Therefore, the interval of $t$-values is $-\frac{1}{2}\leq t\leq 3$.

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Published by
W. H. Freeman

ISBN 10:
1464125260

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

The interval of $t$-values is $-\frac{1}{2}\leq t\leq 3$.

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