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aksik [14]
3 years ago
11

What is the inverse of f(x)=2x-4​

Mathematics
1 answer:
Phantasy [73]3 years ago
4 0

Step-by-step explanation:

Hey there!

The given function is; f(x) = 2x-4.

<u>To find: f'(X) </u>

Let f(X) be y, then;

y = 2x - 4

Interchanging"X" and "y" we get;

x = 2y - 4

or, X+4 = 2y

or, y = (X+4)/ 2

Therefore, f'(X) = (X+4)/2.

<u>Hope</u><u> it</u><u> helps</u><u>!</u>

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EASY MATH!!! GIVING BRAINLIEST!!
musickatia [10]

Answer:

55

Step-by-step explanation:

So lets take our 50 dollars.

Next, take your increase of 5%. Remember, 5% is 0.05, and it is a increase of 5%, so we are multipling 50 by 1.05.

Before we start multiplying, lets recall that this occurs twice(2 years), but this doesnt mean we multiply 50 by 1.10. No, we just mutiply 50 by 1.05 2 times:

50*1.05

=

52.5

52.5*1.05

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55.25

So your answer is 55 dollars(rounding down).

Hope this helps!

4 0
2 years ago
A student took two national standardized tests while applying for college. On the first test,
kvv77 [185]

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a

Step-by-step explanation:

4 0
3 years ago
Evaluate : -80 - (-15) =
frosja888 [35]

Answer:

-65

Step-by-step explanation:

-80 - -15

Two minuses become plus

= -80+15

Subtract and keep the sign of the higher number

= -(80-15)

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6 0
3 years ago
Read 2 more answers
Write the product form of 3 a² b ³<br>​
kifflom [539]

Answer:

a³-b³= (a-b)(a²+ab+ b²)

Step-by-step explanation:

3 0
2 years ago
Could use some help pls.
Murrr4er [49]

Answer:

9 cans of soup and the 4 frozen dinners were purchased

Step-by-step explanation:

Let x represent the number of cans of soup purchased.

Let y represent the number of frozen dinners purchased.

Lincoln purchased a total of 13 cans of soup and frozen dinners. This means that

x + y = 13

Each can of soup has 250 mg of sodium and each frozen dinner has 550 mg of sodium. The 13 cans of soup and frozen dinners which he purchased collectively contain 4450 mg of sodium. This means that

250x + 550y = 4450 - - - - - - - - -1

Substituting x = 13 - y into equation 1, it becomes

250(13 - y) + 550y = 4450

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300y = 1200

y = 1200/300

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Substituting y = 4 into x = 13 - y, it becomes

x = 13 - 4 = 9

7 0
3 years ago
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