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Solnce55 [7]
4 years ago
6

An unknown number x is at most 10. Which graph best represents all the values of x? Number line graph with closed circle on 10 a

nd shading to the right. Number line graph with open circle on 10 and shading to the right. Number line graph with open circle on 10 and shading to the left. Number line graph with closed circle on 10 and shading to the left.
Mathematics
2 answers:
Naya [18.7K]4 years ago
8 0

Answer:

Step-by-step explanation:

The question does say at most 10. That includes 10. So the circle on 10 should indicate it is closed or fully filled in.

The shading should go left. It should indicate less than 10.

Alex_Xolod [135]4 years ago
5 0

The Answer is D Number line graph with closed circle on 10 and shading to the left. I took the test and got it right.

a number is at most 10 so it could be ten so it is a closed circle. it is shading to the left because no more than than ten

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mina [271]

Answer:

f(x) = -2x + 7, when x > 1

f(x) = 4x + 1 when x ≤ 1

Step-by-step explanation:

The right side graph passe through points (1,5) and (2,3).  

Hence, the equation of the line  

\frac{y - 5}{5 - 3} = \frac{x - 1}{1 - 2}

⇒ (y - 5) = 2(1 - x)

⇒ y - 5 = 2 - 2x

⇒ y = -2x +7.......... (1)

Now, the left side graph passes through points (1,5) and (0,1)

Therefore, the equation of the graph will be  

\frac{y - 5}{5 - 1} = \frac{x - 1}{1 - 0}

⇒ y - 5 = 4(x - 1)

⇒ y = 4x + 1 ........ (2)

Hence, the equation (1) gives the function in the right side of the given graph which does not include the point (1,5) and extends to the right from this point.

Therefore, f(x) = -2x + 7, when x > 1 (Answer)

Again, equation (2) gives the function in the left side of the given graph which includes the point (1,5) and extends to the left from this point.

Therefore, f(x) = 4x + 1 when x ≤ 1 (Answer)

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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The answer to your question is D
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