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Dmitriy789 [7]
3 years ago
11

Describe the graph of the equation y = 4. Is the equation a function? vertical line; yes horizontal line; no vertical line; no h

orizontal line; yes
Mathematics
1 answer:
Alik [6]3 years ago
8 0
Yes it is a function. It is a horizontal line. 

Every point on this line is of the form (x,4) where x can be any number you want. The y coordinate is fixed at 4 and cannot change. Two points on this line are (0,4) and (1,4). The horizontal line goes through 4 on the vertical y axis. 

Why is it a function? Because it is impossible to draw a vertical line through more than one point on the graph of y = 4. The graph passes the vertical line test. Put another way, for any x input, there is exactly one y output. 

Side Note: y = 4 is the same as y = 0x+4. Note how its in the form y = mx+b
m = 0 is the slope
b = 4 is the y intercept
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Answer

Step-by-step explanation: example

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8 0
3 years ago
It is generally believed that the mean value of the district's total SAT score distribution is equal to 1200 (the null hypothesi
g100num [7]

Answer:

The corresponding p-value, is p = 1

Step-by-step explanation:

The maximum score SAT score, n =  1,600

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Using proportions, we have;

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The margin of error, E = Z√(p·q/n)

∴ E = 5% = Z×√((0.75 × 0.25)/1,600)

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3 years ago
The principal represents an amount of money deposited in a savings account subject to
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Step-by-step explanation:

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3 0
1 year ago
How do you solve 3 1/2- 2 2/5
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Answer:

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