Answer:
All real numbers greater than or equal to 0.
Step-by-step explanation:
x must be greater or equal to zero because there is no real square root of a negative number.
So the lowest value of the function is 0 and it can be any value greater than that.
Answer:
Step-by-step explanation:
You should place a point on the graph at 4 for four hours of TV last week. And place a point at 8 for eight hours of TV this week.
Yes it is a rational number
Answer:
5x-3
Step-by-step explanation:
This is linear because the numbers are changing at a constant rate (of 5)
We can also see that when x=0 y= -3 which means that in our equation
y=mx+b
-3 =b
I said prior that the rate of change is 5 which means that our slope is 5
which means that our equation looks like
5x-3