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never [62]
4 years ago
6

F(x)=2/x and g(x)=2/x what is f(g(x))

Mathematics
1 answer:
Reika [66]4 years ago
5 0

Answer:

f(g(x)=x

Step-by-step explanation:

Put g(x)=2/x in the place of "x" in f(x)

f(2/x)=2/(2/x)

Cancel 2 with 2 and remaining is 1/(1/x) which is "x"

f(g(x)=x

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The answer is < because |-15| is farther from zero
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4 years ago
I don’t know how to solve this question. Please help
inn [45]
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7 0
4 years ago
I need help with this
Temka [501]

Answer:

X will equal 30 degrees

Step-by-step explanation:

X will equal 30 degrees due to the rule of corresponding angles and that l1 and l2 are parallel with a transversal intersecting the parallel lines.

The angle of X and the angle of 30 degrees are corresponding angles.

Corresponding angles are equal to each other.

So X will also be 30 degrees.

I hope this answer helped and have a great day!

6 0
3 years ago
What is the inverse of the function f(x) = 1/4x-12?
Marrrta [24]

Answer:

\huge\boxed{f^{-1}(x)=4x+48}

Step-by-step explanation:

In order to find the inverse of a function, we need to follow a couple of steps.

  • Step 1: Write the function as y=mx+b
  • Step 2: Swap all x and y values
  • Step 3: Solve for y
  • Step 4: Replace y with f^{-1}(x)

We can follow these steps to find the inverse of this function.

Step 1: We can just replace the f(x) with y, making our function y=\frac{1}{4}x-12.

Step 2: We can swap where the x and y values are, making our equation

x = \frac{1}{4}y-12

Step 3: We can now solve for y.

  • x = \frac{1}{4}y-12
  • x + 12 = \frac{1}{4}x
  • 4x+48 =y

We now have the function as y = 4x+48.

Step 4: We can now replace the y with f^{-1}(x).

f^{-1}(x) =4x+48

Therefore the inverse of f(x) = \frac{1}{4}x-12 is f^{-1}(x) =4x+48.

Hope this helped!

8 0
3 years ago
Given the following functions f(x) and g(x), solve (f + g)(5) and select the correct answer below:
Flura [38]

The addition of the function is:

(f+g)(x)= f(x)+g(x)

So, (f+g)(5)= f(5)+g(5)

To find f(5) and g(5), plug in 5 for x in both the functions.

So, f(5)= 8(5)-13 = 40-13 = 27

g(5)= 5-9= -4

Now we can add f(5) and g(5) to get the answer.

So, (f+g)(5)= 27 +(-4) = 27-4= 23

Hence, (f+g)(5)= 23

4 0
4 years ago
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