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Hatshy [7]
2 years ago
13

I need help with this question

Mathematics
1 answer:
MAXImum [283]2 years ago
6 0

The steps to finding the inverse is writting:

  • y = x + 5
  • x = y + 5   (applying a change of variables).
  • y = x - 5   (isolating y).
<h3>How to write the inverse of the given function?</h3>

Here we have the function:

y = f(x) = x + 5

Basically, to find the inverse we need to isolate x. The first step is writing

y = x + 5

Now let's do a <em>"false change of variables"</em> of x by y, so we get:

x = y + 5

Now we need to isolate y again:

y = x - 5

This is the inverse of the function f(x), we have:

f(x) = x + 5\\\\f^{-1}(x) = x - 5

If you want to learn more about inverse functions:

brainly.com/question/14391067

#SPJ1

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Pls help !! im awful at trig. pls and ty !​
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There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 333 at random, what is the probability that
bezimeni [28]

Probability that nbr1 is a boy is p1 = 6/10.

Probability that nbr2 is a boy, given 5 boys left is 5/9

Probability that nbr3 is a boy given 4 boys left is 4/8

Probability that nbr 4 is a boy given 3 boys left is 3/7

Approximately 0.071 or 7.1% 

8 0
4 years ago
John took a 5 ½ mile walk to his friend’s house. He left at 11 a.m. and arrived at his friend’s house at 1 p.m. What was John’s
olganol [36]

Answer:

5.5 miles over 2 hours--> 5.5/2= 2.75 miles per hour was his average walking speed. 5.5 miles over 2.5 hours --> 5.5/2.5= 2.2 miles per hour on the return trip meaning that his average speed was (2.75-2.2= 0.55) 0.55 miles per hour lower on the return trip

Step-by-step explanation:

I hope this helps you :)

<em><u>-KeairaDickson</u></em>

7 0
3 years ago
(4x^2+1)+(4x^2+x+2) what’s the sum ?
pochemuha

Answer:

(4 {x}^{2}  + 1) + (4 {x}^{2}  + x + 2) \\ 4 {x}^{2}  + 1 + 4 {x}^{2}  + x + 2 \\  = 8 {x}^{2}  + x + 3

4 0
3 years ago
Read 2 more answers
How do you solve this question?
olga_2 [115]
You would make common denominators for all of the weights. The denominator is the bottom half of a fraction. The denominators are 2, 4 and 8. The common denominator of these numbers is 8. This is because 2 times 4 is 8 and 4 times 2 is 8. Now, because you multiplied the denominator of 2 by 4, you would multiply the numerator by 4. 1 times 4 is 4. So, the first number would 2 4/8. After that you would multiply 3/8 times 2. The answer to that would be 6/8. The next number is 1 1/4. Multiply the numerator and denominator by 2, getting 1 and 2/8. Now add 2 4/8, 6/8 and 1 2/8 together. The answer is 3 and 12/8. This can also be written as 4 and 4/12, which can also be written as 4 and 1/3.
The answer is 4 and 1/3 pounds.
7 0
3 years ago
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