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LenKa [72]
3 years ago
6

Find the domain and range of the INVERSE of the given function. Square root x-3

Mathematics
1 answer:
Ulleksa [173]3 years ago
4 0
f(x)=\sqrt{x-3}\\
y=\sqrt{x-3}\\
y^2=x-3\\
x=y^2+3\\
f^{-1}(x)=x^2+3\\
D:x\in\matxbb{R}\\
R:y\in\langle3,\infty)
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The answer is the last option: The associative property of multiplication
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2 years ago
A silversmith combined pure silver that cost $33.48 per ounce with 51 oz of a silver alloy that cost $24.35 per ounce. How many
Pavlova-9 [17]

Answer:

$38.31

Step-by-step explanation:

Given:

Pure silver that cost $33.48 per ounce used to form $24.35 alloy/ounce.

Question asked:

How many ounces of pure silver were used to make an alloy of silver costing $27.87 per ounce?

Solution:

At cost $24.35/ounce, pure silver is mixed = $33.48

At cost $1/ounce, pure silver is mixed = \frac{33.48}{24.35}

At cost $27.87/ounce, pure silver is mixed = \frac{33.48}{24.35}\times 27.87 = \frac{933.08}{24.35}  = 38.31

Thus, $38.31 ounces of pure silver were used to make an alloy of silver costing $27.87 per ounce.

5 0
3 years ago
What is the equation, in slope-intercept form, of the line parallel to -5x + y = 2 that passes through the point
larisa [96]

Answer:

y = 5x + 11

Step-by-step explanation:

- first rearrange -5x + y = 2 and you'll have y = 5x + 2

- the slopes of parallel lines are equal so the slope of the line is 5

so far we have y = 5x + b

- to get b, replace the values in the equation by the values of the given point

(1) = 5(-2) + b

- rearrange and calculate, b = 11

y = 5x + 11

8 0
2 years ago
Read 2 more answers
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Answer: Marty is not correct

Step-by-step explanation:

2(x-2)-2(3) use distributive property

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Answer:

About 3800

Step-by-step explanation:

4 0
2 years ago
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