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katen-ka-za [31]
3 years ago
10

Given the function f(x) = The quantity of 2x minus 5, divided by 3 , which of the below expressions is correct? (1 point) f−1(x)

= The quantity of 5 minus 2x, divided by 3. f−1(x) = The quantity of 3x minus 5, divided by 2. f−1(x) = The quantity of 3x plus 5, divided by 2. f−1(x) = The quantity of negative 2x minus 5, divided by 3.
Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

f^{-1}(x)=the quantity of 3x plus 5 divided by 2

Step-by-step explanation:

We are given that a function f(x)=\frac{2x-5}{3}

We have to find the correct expression

Suppose y=\frac{2x-5}{3}

3y=2x-5

3y+5=2x

x=\frac{3y+5}{2}

Therefore, f^{-1}(x)=\frac{3x+5}{2}

Answer:f^{-1}(x)=the quantity of 3x plus 5 divided by 2

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A survey was given to 339 people asking whether people like dogs and/or cats.
lina2011 [118]

Answer:

80

Step-by-step explanation:

Think of it as a Venn diagram.  One circle is the people who like dogs, and one circle is the people who like cats.  The overlap is people who like both dogs and cats.

190 people in the survey said they like dogs.  That includes the people who like both dogs and cats.

141 people in the survey said they like cats.  That includes the people who like both dogs and cats.

If we simply add the two numbers together, we'll be counting the overlap twice.  So to find the total number of people who like dogs or cats, we have to subtract one overlap.

dogs or cats = 190 + 141 − x

Therefore:

190 + 141 − x + 88 = 339

419 − x = 339

x = 80

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5 0
3 years ago
Please help me find the difference and tell me what to type, i will mark brainliest
frez [133]

Answer:

g^3 - 7

Step-by-step explanation:

write

(2g^2+3g-8)-(5g+1)

(5g^3-8)-(5g+1)

and then you get g^3 - 7

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4 0
3 years ago
Write each rate as a unit rate. $2 for 5 cans of soup.
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2 * 1 = 5 * x
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The length of a rectangle is 10 feet more than the width. if the perimeter of the rectangle is 180 feet, find the length and the
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The probability that a student guesses the correct answer to a four-choice multiple choice question is
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Since we already know that there is a 25% chance to guess the correct answer to a multiple choice question, all we have to do is multiply .25 and 68 to get the expected amount of answers a student can possibly guess. We multiply .25 since it is the decimal form of 25% and 68 is our total questions.

.25 x 68 = 17

Therefore, a student can expect to guess 17 answers correct on a test with 68 multiple choice questions.

3 0
3 years ago
Read 2 more answers
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