Answer: 73 weeks
Step-by-step explanation:
Equations
657-4w=876-7w
Solve for w
w=73
If he goes to bed at 9:00 pm, and wakes up at 10:00 am he will have slept 13 hours.
Answer:
Choice D.
Step-by-step explanation:
The range is the set of all y-coordinates of the points in the graph.
The graph is a wavy function that has a maximum y-coordinate of 1 and a minimum y-coordinate of -1. The y-coordinates can also be all numbers between -1 and 1. Choice A. is only the two numbers -1 and 1. That is not correct since the range comprises the numbers -1, 1, and all numbers in between -1 and 1.
Answer: Choice D.
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