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andrezito [222]
3 years ago
11

Which function has an inverse that is also a function?

Mathematics
1 answer:
aalyn [17]3 years ago
4 0

Answer: 1st, 3rd, and 4th functions

Step-by-step explanation:

Assuming k(x)=9x^2, all the other functions have inverses because they are linear, meaning they must be one-to-one.

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9/10 times a number plus 6 is 51
goldenfox [79]
9/10n + 6 = 51
9/10n = 51 - 6
9/10n = 45
n = 45 * 10/9
n = 450/9
n = 50
5 0
3 years ago
Read 2 more answers
25% of what number is 2?<br><br> show your work
kakasveta [241]

Answer:

8

Step-by-step explanation:

2 4 6 8

4 0
3 years ago
Read 2 more answers
H(t)=2t-2 <br> g(t)=t-1 <br> find h(g(2))
Crazy boy [7]
T = 2

To find this, follow these steps.

First, you need to find g(2):

t-1
2-1
1

Therefore 1 is your first answer. Then you input that answer into h(t).

2(t) - 2
2(2) - 2
4 - 2
2

Thus, 2 is your final answer.

Hope this helps!
5 0
3 years ago
What is the twentieth term of the arithmetic sequence described by the<br> equation an= 3n - 10?
sergij07 [2.7K]

Answer:

The twentieth term is 50.

Step-by-step explanation:

The equation that describes the arithmetic sequence describes it's "general term", which means that all the numbers in that sequence must follow that equation. For instance, if we want to find the first term of the sequence we must make a = 1 and we have:

a1 = 3*1 - 10

a1 = -7

Therefore to find the twentieth term we need to make n equal to 20. This is done below:

a20 = 3*20 - 10

a20 = 60 - 10

a20 = 50

The twentieth term is 50.

8 0
4 years ago
Select the equivalent expression
svetlana [45]

Answer:

x^-28 / 7^56

Step-by-step explanation:

6 0
3 years ago
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