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bogdanovich [222]
4 years ago
5

What is the inverse function of f(x) =2x +1

Mathematics
1 answer:
PolarNik [594]4 years ago
4 0
F^-1(x)=(x-1)/2. All you have to do is change f(x) to y, switch the x and y variables, solve for y, and then change y to f^-1(x).
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What are the solutions to the equation?<br><br> 3x^2+6x=45<br><br> Enter your answers in the boxes.
Gnoma [55]

x= 3,-5

hope this helps

5 0
4 years ago
Read 2 more answers
Represent, the set of numbers between 5 to 50 when they are divided by 8 then the remainder is 3,It by description method, listi
Debora [2.8K]

By descriptive method = Set A is a set of all natural numbers between 5 and 50 which gives remainder 3 when divided by 8.Listing method : A = { 11, 19, 27, 35, 43} and Set builder method : A = { x : x ∈ N, x = 8 c + 3 and 1 < c < 5

We are given that:

Number range 5 - 50

Remainder = 3 when the number is divided by 8

We need to find the sets of numbers between 5 to 50 when they are divided by 8 gives remainder 3 by description method, listing method and set builder method.

Let the set be A

Descriptive Method

Set A is a set of all natural numbers between 5 and 50 which gives remainder 3 when divided by 8.

Listing Method

A = { 11, 19, 27, 35, 43}

Set Builder Method

A = { x : x ∈ N, x = 8 c + 3 and 1 < c < 5

Therefore, we get that, by descriptive method = Set A is a set of all natural numbers between 5 and 50 which gives remainder 3 when divided by 8.Listing method : A = { 11, 19, 27, 35, 43} and Set builder method : A = { x : x ∈ N, x = 8 c + 3 and 1 < c < 5

#SPJ9

3 0
2 years ago
How can one determine the median of a data set?
rjkz [21]

Answer:

A

Step-by-step explanation:

The median value on a data set is the value that accumulates 50% of the values at its left and the other 50% at its right. In other words, it is the value that divides the data set in two halves. Lets see each option and find this value:

B: By doing it we are finding the mode, the value that is repeated most. This is incorrect!

C: By doing this we are finding the mean, the average or the arithmetic mean. This is incorrect!

D: This gives us the range, not the median. This is incorrect!

Finally, A is correct, as this is what we said at the beginning of the text. Ordering the values and finding the one the splits the data set in 2 equal parts is the median.

7 0
3 years ago
Divide: 83.5 ÷ 6.25 The first step in solving 83.5 ÷ 6.25 is to multiply the divisor and dividend by . The new division problem
kherson [118]

Answer:

The first step in solving 83.5 ÷ 6.25  is to multiply the divisor and dividend by  

[✔ 100 ]

sorry idk the answer for the second one :(

Step-by-step explanation:

7 0
3 years ago
The water level in a well decreased by 6 inches every month due to evaporation. What is the change in the water level after a si
sashaice [31]

Step-by-step explanation:

we don't know what level it was originally at so well use a variable for the unknown number. If you take 6 inches and do that 6 times for each month you will have 36 inches lost so w= water i = inches

w-(6i x 6) = 36

This isn't the best explanation but I hope this helps you

6 0
3 years ago
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