The height of a model rocket, $H(t)$, is a function of the time since it was launched, $t$
What is the domain of $H(t)$ ?

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$\boxed{[0, \infty)}$

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Step 1 ：The height of a model rocket, $H(t)$, is a function of the time since it was launched, $t$. The domain of $H(t)$ is the set of all possible input values (in this case, time) for which the function is defined.

Step 2 ：Since the height of the rocket is a function of time since it was launched, the domain should include all non-negative time values, starting from the time of launch (t=0) until the rocket reaches its maximum height or lands back on the ground.

Step 3 ：$\boxed{[0, \infty)}$

The height of a model rocket, $H(t)$, is a function of the time since it was launched, $t$What is the domain of $H(t)$ ?

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The height of a model rocket, $H(t)$, is a function of the time since it was launched, $t$
What is the domain of $H(t)$ ?