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photoshop1234 [79]
3 years ago
13

I need some help with this?

Mathematics
1 answer:
Tema [17]3 years ago
5 0
So the function is f(x)=2x+1
For the inverse function just replace f(x) with y and solve for x. 
y=2x+1
y-1=2x
x=y/2 -1/2
Now to get the same labels replace x with f(x) and y with x to get
f(x)=x/2 - 1/2
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eli takes a typing test and types all 300 words in 1/10 hour. He takes the test a second time and types the words in 1/12 hour.
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slower because 1/12 is smaller than 1/10

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3 0
4 years ago
Read 2 more answers
Use logb^2=.4307 and logb^3 - .6826 to evaluate logb18
katrin2010 [14]

Log b 18 = logb 2 * 3 * 3

When multiplying logs, they are added together so:

logb 2 * 3 * 3 = logb 2 + logb 3 + logb 3

Logb 2 is given as 0.4307 and logb 3 is 0.6826

Now we have 0.4307 + 0.6826 + 0.6826 = 1.7959

Logb 18 = 1.7959

7 0
3 years ago
Greg practiced playing his clarinet for 12 minutes. He has practiced 40% of the amount of time he needs to practice today. How m
lyudmila [28]
You set up a proportion so: 12/x and 40/100
Cross multiply so 12 times 100 = 1200
and 40 times x = 40x 
1200 divided by 40 = 30 minutes total
You know that he already know he spent 12 minutes doing it so
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8 0
4 years ago
Is this correct? I've done the answer just need to know if it's right?
kotegsom [21]
Yes your answer is correct
6 0
3 years ago
Mr. Kim's age in years is 6 more than 3 times the age of his daughter. Mr. Kim is 48 years old. How old, in years is Mr. Kim's d
gregori [183]

Answer:

14

Step-by-step explanation:

48 - 6 = 42

42 divided by 3 = 14.

Mr. Kim's daughter is 14 years old.

3 0
3 years ago
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