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3 years ago

The set of ordered pairs (-1,8), (0, 3), (1, -2), and (2-7) represent a function. What is the range of the function?

Mathematics

1 answer:

Rama09 [41]3 years ago

4 0

Answer:

Range is given by the second option: $y=$ { $-7,-2,3,8$ }.

Step-by-step explanation:

Range is the set of possible $y$ values in a given function.

Here, the function is defined by the following ordered pairs:

$(-1,8),(0,3),(1,-2),(2,-7)$

The y values of the function are $y=$ { $-7,-2,3,8$ }

Therefore, the range is given as $y=$ { $-7,-2,3,8$ }.

So, the second option is correct.

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3. What is the exact area of triangle ABC? Use special right triangles to help find the base of the triangle. Show your work.

Oduvanchick [21]

The exact area of triangle ABC is 93.51 cm².

The given parameters;

Height of the triangle, h = 18 cm

The base of the triangle is calculated by using trigonometry ratio as follows;

$tan (30) = \frac{b}{18} \\\\$

where;

b is the base of the triangle ABC

$b = 18 \times tan(30)\\\\b = 10.39 \ cm$

The area of the triangle ABC with the calculated base and given height is calculated as follows;

$A = \frac{1}{2} \times base \times height\\\\A = \frac{1}{2} \times 10.39 \times 18\\\\A = 93.51 \ cm^2$

Thus, the exact area of triangle ABC is 93.51 cm².

Learn more about area of a triangle here: brainly.com/question/23945265

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2 years ago

Y = 6x − 4

Kamila [148]

Answer:

Part B: $\displaystyle [1, 2]$

Part A: Set both equation equal to each other by Substitution, since our y-values are already given to us.

Step-by-step explanation:

6x - 4 = 5x - 3

- 6x + 3 - 6x + 3

____________

$\displaystyle -1 = -x; 1 = x$

Plug this coordinate back into the above equations to get the y-coordinate of 2.

y = mx + b [where b is the y-intercept and the rate of change (slope) is represented by m]

$\displaystyle y = 5x - 3; [0, -3]; 5 = m \\ y = 6x - 4; [0, -4]; 6 = m$

I am joyous to assist you at any time.

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3 years ago

Add or subtract negative numbers

Naddika [18.5K]

$9+(-2)\\9-2\\=7$

$-6+(-3)\\-6-3\\=-9$

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3 years ago

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BlackZzzverrR [31]

89.548 + 324 + 105
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Error Analysis jessie incorrectly said the rate 1/5 hour 1/10 acer can be written as the unit rate 1/50 per acer . What is the c

vodka [1.7K]

Answer:

Step-by-step explanation:

Jessie multiplied instead of dividing. That’s why she gets 1/50

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3 years ago

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