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Ksenya-84 [330]
3 years ago
11

Find the inverse of the function f(x) = 2x – 4.

Mathematics
2 answers:
Vsevolod [243]3 years ago
5 0

The correct answer for this is D) g(x) = 1/2x + 2

Because f(x) is one to one,  its inverse is a function.

irga5000 [103]3 years ago
4 0
Replace <span><span>f<span>(x)</span></span><span>fx</span></span> with <span>yy</span>.<span><span>y=<span><span>2x</span><span>−4</span></span></span><span>y=<span><span>2x</span><span>-4</span></span></span></span>Interchange the variables.<span><span>x=<span><span>2y</span><span>−4</span></span></span><span>x=<span><span>2y</span><span>-4</span></span></span></span>Solve for <span>yy</span>.Tap for more steps...<span><span>y=<span>2+<span>x2</span></span></span><span>y=<span>2+<span>x2</span></span></span></span>Solve for <span>yy</span> and replace with <span><span><span>f<span>−1</span></span><span>(x)</span></span><span><span>f<span>-1</span></span>x</span></span>.
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UkoKoshka [18]
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8 0
3 years ago
What percent 64 is 24?
blsea [12.9K]
The answer to this is 15.36. 
<span>
To do this turn 64 into a decimal making it 0.64 and multiply that by 24. That would be 15.36.</span>
6 0
2 years ago
What is the perimeter?
SSSSS [86.1K]

P = 8 + 10 + 8 + 10

P = 36

..................................

6 0
2 years ago
What is the area of triangle ABC?
miskamm [114]

Answer:

<h2>7 square units</h2>

Step-by-step explanation:

As you can observe in the image attached, we know the coordinates of each vertex of the triangle.

To find the area using only its vertex coordinates, we need to use the following formula

A=\frac{1}{2}[x_{1}(y_{2} -y_{3}+x_{2}(y_{3} -y_{1} )+x_{3}(y_{1}-y_{2}  )   )

Where the coordinates are

A(1,1)\\B(4,0)\\C(3,5)

Replacing coordinates, we have

A=\frac{1}{2}[1(0 -5)+4(5 -1 )+3(1-0  )  ]\\A=\frac{1}{2} [-5+16+3]=\frac{1}{2}(14)\\ A=7

Therefore, the area of the triangle is 7 square units. So, the right answer is the second choice.

8 0
2 years ago
The perimeter of one face of a cube is 16cm. Calculate the volume of the cube.
erastova [34]

Answer:

4

Step-by-step explanation:

Perimeter equation: Length + Width * 2

so divide 2 by 16

which gives you 8 and minus that by its half so you get 4

4 0
2 years ago
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