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Basile [38]
2 years ago
12

If n=4, the value of the expression 28-12 + Vn 2 is 15 17 21 helpppppppp

Mathematics
1 answer:
ollegr [7]2 years ago
3 0

Answer:

17

Step-by-step explanation:

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If g(x) is the inverse of f(x), what is the value of f(g(2))?
Elan Coil [88]

Answer:

2

Step-by-step explanation:

So to figure this out we just need to flip the values of x and y in the table and then redefine that as the function g(x), because an inverse is essentially the reverse!

So if we flipped x and y's for f(x). We would see that our output or y of g(x) is -3 when x = 2, or in other words g(2) = -3. This means that we are now going to solve for when f(-3). So now lets look at the table and find the value at x = -3 for f(x). This value is 2, so the value of f(g(2)) = 2.

*In the future*

When you have a composite function of two inverses they essentially cancel out and would leave whatever the value of x is. So if we know f(x) and g(x) were inverses the value of f(g(2)) would just be 2.

For example:

ln(x) and e^x are inverses so if I had a composition like this:

e^{ln(2)}

The answer to this would be 2 because these inverse functions "'cancel" out

So

e^{ln2} = 2

8 0
3 years ago
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Am I getting it right?
andrezito [222]
So far your getting all of them right. But, maybe next time upload a better picture because it’s hard to see what you wrote.
6 0
3 years ago
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What is the perimeter of a trapezoid?Units
Elan Coil [88]
20 units





Perimeter =add up all sides.




Perimeter = 5+1+5+9

=20 units
5 0
3 years ago
If this figure is reflected across the x-axis, what is the orientation of the reflected figure?
Naddika [18.5K]
I'm pretty sure that would go down into the negatives.

6 0
2 years ago
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Complete the table and show work
Alinara [238K]
So the formula for this is for every inch of width, you multiply by 2 to get the length. 

Here, I made a table for it. 

2×2=4

4×2=8

7×2=14

8×2=16 or 16÷2=8

5 0
2 years ago
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