One of these is possibly the answer to your question:
Answer: period 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
We want to convert the interval [-1, ∞) to inequality notation using <em>x</em> as the variable.
The interval [-1, ∞) reads: "All real numbers between -1 and positive infinity."
In other words, it is all numbers greater than or equal to -1 and less than positive infinity.
Therefore:

Note that we do not use "or equal to" for the infinity as we can never really "equal" infinity.
Answer:
Hallie's travels about 772 km after lunch. Hope this help's :)