2 years ago

Which function has an inverse that is also a function?

Mathematics

1 answer:

aalyn [17]2 years ago

4 0

Answer: 1st, 3rd, and 4th functions

Step-by-step explanation:

Assuming k(x)=9x^2, all the other functions have inverses because they are linear, meaning they must be one-to-one.

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At the farmer's market,

Flura [38]

Answer:

Cantaloupe = $6, peach=$5

Step-by-step explanation:

$8x+3y=63\\2x+3y=27\\$

Subtract the first one from the second one

$8x-2x+3y-3y=63-27\\6x=36\\x=6\\$

Plug in:

$2(6)+3y=27\\12+3y=27\\3y=15\\y=5$

Hope this helps plz hit the crown :D

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2 years ago

What is the slope of a line that contains the points (-1, -1) and (3, 15)

pogonyaev

Answer:

Step-by-step explanation:

-y₁ + y₂\-x₁ + x₂ = m

1 + 15\1 + 3 = 4

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3 years ago

What number has the same value as 14 tens

tangare [24]

If there are 14 tens, that is 14 multiplied by 10. 14 x 10 = 140.

140 is the answer.

Hope this helps :)

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3 years ago

Which of the following expressions has a simplified value of 3a – 2?

solong [7]

The answer would be A i hope this helped

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2 years ago

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koban [17]

The reason fractions need a common denominator before adding or subtracting is so that the numbers of pieces you are adding/subtracting are all the same size. Note that the numerator of a fraction just tells you how many pieces you have of that size.

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2 years ago