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IRISSAK [1]
3 years ago
15

What is the range of the function in the given table?

Mathematics
2 answers:
Aloiza [94]3 years ago
6 0
I think its b but im not sure
mezya [45]3 years ago
3 0

Answer:

Mark me brainliest

Step-by-step explanation:

Because im cool

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Describe and correct the error(s) made in each of the problems below.
ladessa [460]

Answer:

\displaystyle \frac{1-x}{(5-x)(-x)} =-\frac{x-1 }{ x(x-5)}

\displaystyle \frac{5}{s}\times \frac{2}{5} =\frac{2}{s}

Step-by-step explanation:

<u>Errors in Algebraic Operations </u>

It's usual that students make mistakes when misunderstanding the application of algebra's basic rules. Here we have two of them

  • When we change the signs of all the terms of a polynomial, the expression must be preceded by a negative sign
  • When multiplying negative and positive quantities, if the number of negatives is odd, the result is negative. If the number of negatives is even, the result is positive.
  • Not to confuse product of fractions with the sum of fractions. Rules are quite different

The first expression is

1-x / (5-x)(-x)=x-1 / x(x-5)

Let's arrange into format:

\displaystyle \frac{1-x}{(5-x)(-x)} =\frac{x-1 }{ x(x-5)}

We can clearly see in all of the factors in the expression the signs were changed correctly, but the result should have been preceeded with a negative sign, because it makes 3 (odd number) negatives, resulting in a negative expression. The correct form is

\displaystyle \frac{1-x}{(5-x)(-x)} =-\frac{x-1 }{ x(x-5)}

Now for the second expression

5/s+2/5=2/s

Let's arrange into format

\displaystyle \frac{5}{s}+\frac{2}{5} =\frac{2}{s}

It's a clear mistake because it was asssumed a product of fractions instead of a SUM of fractions. If the result was correct, then the expression should have been

\displaystyle \frac{5}{s}\times \frac{2}{5} =\frac{2}{s}

6 0
2 years ago
Need awnsers please help
sleet_krkn [62]
The line of reflection is what the graph flips over. You can find the line with two points, and a point on the reflection line is the midpoint of a point and the corresponding point in the after-image.
The first one reflects over the y-axis, or x=0. One point is (-2, 1) and its corresponding point is (2, -1). The midpoint is found by the average of the two coordinates, which is (0,0). Pick another pair of points and find the midpoint which you should get (x,0).
You have two points (0,0) and (x,0) and they form a line, which is the y-axis, or x=0.
The line of reflection for the 1st one is x=0 (y-axis).
4 0
3 years ago
Kimmy bought a 5kg mg can of peanuts for $4.50 what is the unit price
Lina20 [59]
<span>We know that the cost of 5 kg of peanuts is $4.50, then the unit price per kilogram is $4.50/5 kg = 0.90 $/kg And the unit price per gram is: $0.90 / kg * 1 kg/1000 = 0.0009 $/g or 0.09 cents/gram</span>
5 0
3 years ago
I need help on this one plizz
andrew11 [14]
I'm probably wrong but here you go!

4 0
3 years ago
Which equation represents a line with a slope of -6/11 and a Y intercept of -9
den301095 [7]

Answer:

y= -6/11x - 9

Step-by-step explanation:

y= mx+ b

5 0
3 years ago
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