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stepan [7]
2 years ago
5

Find the inverse function f -1(x) for the given function f(x). f(x) = x + 1/8

Mathematics
1 answer:
velikii [3]2 years ago
5 0

Answer:

f⁻¹(x) = 8x - 1

Step-by-step explanation:

Swap the positions of y (f(x)) and x and solve for y.

x=\frac{y+1}{8}\\\\8(x)=\frac{y+1}{8}(8)\\\\8x=y+1\\\\8x-1=y+1-1\\\\8x-1=y

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The store sells walnuts for $2.95 per pound. Corey bought 2.4 pounds of walnuts. Before tax, how much will the walnuts cost?
stepladder [879]

Answer:

$7.18

Step-by-step explanation:

Multiply the number of pounds bought by the cost of one pound.

 (2.4 pounds)($2.99 per pound) = $7.176 ≅ $7.18

7 0
2 years ago
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AnnZ [28]

Answer:

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3 0
3 years ago
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Percent of decrease of 120 to 52
levacccp [35]
Percent decrease=(decrease)/(original) converted to percent

change=120 to 52
120-52=68
change or decrease=68
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5 0
3 years ago
Find the derivative of f(x) = 8x^2 + 11x at x = 7.
sleet_krkn [62]
Thank you for posting your question here at brainly. Feel free to ask more questions.  

f′(x)=2∗(8x(2−1))+1∗11x(1−1)

which is

f′(x)=16x+11

then let x = 7 gives us

f′(7)=123

      <span>
<span>Hope my answer would be a great help for you. </span> </span>  

<span> </span>

6 0
3 years ago
During 30 minutes on the treadmill, LaToya burned 20 calories per minute. What is the rate of change of the function that repres
Genrish500 [490]
The answer I believe is 10 calories per minute because 20 x30 =600 I did that because she burned 20 calories per minute so with that being said there’s 60 minutes is the maximum minutes any time can go to so you do 600 divided by 60 which equals 10 which means she burns 10 calories per minute hope this is right
3 0
3 years ago
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