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2 years ago

What is tue domain and range

Mathematics

1 answer:

jarptica [38.1K]2 years ago

3 0

Answer:

Step-by-step explanation:

True, this is not a function, and the reason for that is that two of the ordered pairs have the same x-coordinate (1).

The domain is the set of all input values shown; they are {-2, -1, 1}.

The domain is the set of all possible output values; they are {-2, 0, 2, 3}

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grandymaker [24]

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2 years ago

Simplify the expression. (d² - d+5) - (-d² + d + 5)

AysviL [449]

Answer: $2d^2-2d$

Step-by-step explanation:

Given

$\Rightarrow (d^2-d+5)-(-d^2+d+5)\\\Rightarrow (d^2+d^2)-d-d+5-5=0-2d+0\\\Rightarrow 2d^2-2d=2d(d-1)$

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2 years ago

Here are the median Annual Salaries for two different people: Level of Education Bachelor's Degree Master's Degree Median Annual

Pavlova-9 [17]

Answer: $547200

Median salary of masters older is 68,100

Total after 36 years= 68,100*36 = $2,451,600

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Total median salary after 36 years is 52,900*36 = 1,904,400

The difference is $2,451,600-1,904,400 = 547,200

The person with Masters will earn $547,200 after 36 years

Step-by-step explanation:

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2 years ago

Express 1 1/2% as a decimal.

Step2247 [10]

If 1% is equal to 0.01
and 1/2% is equal to 0.005
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2 years ago

Solve the system (x-1)²+(y-2)²=2² and y=2x+2.

Likurg_2 [28]

Answer:

(x, y) = (-0.6, 0.8) or (1, 4)

Step-by-step explanation:

Use the second equation to substitute for y in the first.

(x -1)² +((2x +2) -2)² = 4

x -2x +1 + 4x² = 4 . . . . . . . eliminate parentheses

5x² -2x -3 = 0 . . . . . . . . . . subtract 4, collect terms

Now we can rearrange the middle term to ease factoring by grouping.

(5x² -5x) +(3x -3) = 0

5x(x -1) +3(x -1) = 0

(5x +3)(x -1) = 0

The values of x that make these factors zero are ...

x = -3/5, x = 1

The corresponding values of y are ...

y = 2(-3/5)+2 = 4/5 . . . . for x = -3/5

y = 2(1) +2 = 4 . . . . . . . . for x = 1

The solutions are: (x, y) = (-3/5, 4/5) or (1, 4).

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A graphing calculator verifies these solutions.

3 0

2 years ago