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romanna [79]
3 years ago
8

Are these two functions or no? i name brainiest

Mathematics
2 answers:
muminat3 years ago
4 0

Answer: Nuuuu dey aren't functions.

snow_tiger [21]3 years ago
3 0

Answer:

these two isn't a function

Step-by-step explanation:

On the table you can see that the ratio isn't equivalent

On the chart you can see that one domain has two ranges which also tells us that this two isn't a function

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Neveah has created the function f(x) =the quantity of 2x plus 4, divided by 3 to represent the growth of her hair, where x repre
dangina [55]

Given that:

The function to represent the growth of Neveah hair is

f(x)=\dfrac{2x+4}{3}

where,  x represents the number of months since her last hair cut.

To find:

The inverse of function and time when her hair will have grown 6 inches.

Solution:

We have,

f(x)=\dfrac{2x+4}{3}

Put f(x)=y.

y=\dfrac{2x+4}{3}

Interchange x and y.

x=\dfrac{2y+4}{3}

Isolate y.

3x=2y+4

3x-4=2y

\dfrac{3x-4}{2}=y

Put y=f^{-1}(x).

f^{-1}(x)=\dfrac{3x-4}{2}

So, the required inverse function is f^{-1}(x)=\dfrac{3x-4}{2}. It represents the number of months to grow her hair x inches.

She can predict when her hair will have grown 6 inches by putting x=6 in the inverse function.

Put x=6 in the inverse function.

f^{-1}(6)=\dfrac{3(6)-4}{2}

f^{-1}(6)=\dfrac{18-4}{2}

f^{-1}(6)=\dfrac{14}{2}

f^{-1}(6)=7

Therefore, growth of her hair is 6 inches in 7 months.

3 0
4 years ago
Mr.O'Connor had $90 to spend at a football game. He spent 31/45 on his ticket. Then, he spent 3/7 of his remaining money at the
Alexxx [7]

Answer:

no

Step-by-step explanation:

he starts with 90 bucks to find what the fraction represents you can multiply it by 2 to get an equal denominator of 90 then subtract 90-62 that'll give you 28 then it says he spent 3/7 so you do the same thing get an equal denominator by multiplying by 4 and get 28 and as they say whatever you do to the denominator is done to the numerator so 3 times 4 is 12 then you do 28-12 and you gets 16 which isn't enough to buy the hat. :)

7 0
3 years ago
One card is drawn from a well shuffled deck of 52 cards find the probability of getting a red 10
Julli [10]
The probability of getting a red card is 1/2 and the probability of getting a 10 is 4/52. To find the probability of getting both a red card and a 10, multiply the two.

(1/2)(4/52) = 4/104
4/104 = 1/26

Therefore, the probability is 1/26
7 0
3 years ago
Brian wanted to build a wooden planter box for his garden with a volume of 32 cubic feet. If he constructed the planter with a h
Tanya [424]

Answer:

8feet

Step-by-step explanation:

v=lwh

32=4(1)(x)

32=4x

divide both side by 4

8=x

Therefore, the length of the wooden planter box is 8ft

4 0
3 years ago
Read 2 more answers
When given a triangle, how can you determine if it is a right triangle?
ipn [44]

Answer:

You can determine if it is a right triangle with the pythagorean theorem

Step-by-step explanation:

Search it up!

7 0
4 years ago
Read 2 more answers
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