Edith must read for a minimum of 20 minutes.
1 answer:
Answer:
The required inequality is: or
The graph is shown in figure.
Step-by-step explanation:
Consider the provided information.
Edith must read for a minimum of 20 minutes.
Let the number of minutes is represented by x.
Edith must read minimum of 20 minutes that the value of x can be 20 or greater than it.
Thus, the required inequality is:
or
Now draw the graph of the inequality.
Use a dot or close circle to represents ≤ or ≥.
The value of E is greater than or equal to 20 and the required graph is shown in figure.
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Answer:
8
Step-by-step explanation:
f(x) = (x+2)(x-2)
Substituting x=1 into f(x):
f(1) = 3*-1
= -3
Since -2 & 2 touch the x-axis, 1 has a negative y value, 2 has a y value of 0, and all values from 2, are positive.
Hence,
3, 4, 5, 6, 7, 8, 9, 10 are all positive. Therefore, the answer is 8
This can be confirmed with a graph, as attached below.
<em>Feel free to mark this as brainliest! :D</em>
