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Brut [27]
3 years ago
8

Determine if the following functions are inverses of each other:

Mathematics
2 answers:
olasank [31]3 years ago
8 0

Answer:

what are the options of answers?

Step-by-step explanation:

Alenkasestr [34]3 years ago
3 0

Answer:

both outputs are x so f(x) and g(x) are inverses of each other

Step-by-step explanation:

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Graph the inequality 3x+y≥-7
Musya8 [376]

Answer:

x≥ -7 x -y/3

Step-by-step explanation:

3 0
3 years ago
Find the greatest common monomial factor : 4a^5b^2 and ab
3241004551 [841]
4a^5b^2=2*2*a*a*a*a*a*b*b
ab=a*b
greatest factor is ab
8 0
3 years ago
 Sandra sells necklaces at a school craft fair. She uses the equation P= 7.5n - (2.25n + 15) to determine her total profit at th
gregori [183]
The way you find profit is to subtract the revenue and the cost
Profit = Revenue - Cost
The revenue is the amount of money coming in, the cost is the amount of money going out. The goal of course is to have the revenue larger than the cost so that the profit is positive. 

So the equation given is
P = 7.5n - (2.25n+15)
and its in the form
P = R - C
where...
R = 7.5n is the revenue equation
C = 2.25n+15 is the cost equation

Focus on the revenue equation
R = 7.5n
which is the same as 
R = 7.50*n

This tells us that Sandra pulls in a total of 7.50*n dollars where n is some positive whole number. It represents the number of necklaces sold. For example, if she sold n = 10 necklaces, then
R = 7.50*n
R = 7.50*10
R = 750
meaning that Sandra has made $750 in revenue

As you can see above, the revenue is computed by multiplying the price per necklace ($7.50) by the number of necklaces sold (n) to get R = 7.50*n

So that's why the answer is $7.50

Note: The 2.25 is part of the cost equation. This is known as the variable cost. It is the cost to make one necklace ignoring the fixed cost (eg: rent). The variable cost often doesn't stay the same, but algebra textbooks often simplify this aspect. 
8 0
3 years ago
What is the answer to <br> 6x&gt; -54
Anestetic [448]

Answer:

6 times whatever x is would be greater that -54

7 0
3 years ago
For what value of x does (x + 3)^2-5=0
ArbitrLikvidat [17]

Answer:

x = -3±sqrt( 5)

Step-by-step explanation:

(x + 3)^2-5=0

Add 5 to each side

(x + 3)^2-5+5=0+5

(x + 3)^2 = 5

Take the square root of each side

sqrt((x + 3)^2 )=±sqrt( 5)

x+3 = ±sqrt( 5)

Subtract 3 from each side

x+3-3 = -3±sqrt( 5)

x = -3±sqrt( 5)

7 0
3 years ago
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