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3 years ago

I NEEDDDDD HELPPPPPPPPPP!!!!

Mathematics

1 answer:

lesya692 [45]3 years ago

7 0

Answer:

36 units squared

Step-by-step explanation:

10 times 10 - 4 times 4 = 100-16 = 84, take the square root of 84 = 9.12 which rounds to 9, now that we found the height, we use the area of a triangle formula, A=bh/2, so the base is 8 times height 9 = 72 divided by 2 = 36

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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.

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

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.

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

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4 years ago

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krok68 [10]

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Step-by-step explanation:

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