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Harlamova29_29 [7]
2 years ago
12

Which represents the inverse of the function f(x) = 4x?

Mathematics
2 answers:
hram777 [196]2 years ago
8 0

Answer:

Step-by-step explanation:

that options given seem wrong but what do i know thats just difficult dude im just in the 4th grade

Finger [1]2 years ago
6 0

Answer:

4th option

Step-by-step explanation:

let y = f(x) , then rearrange making x the subject, that is

y = 4x ( divide both sides by 4 )

\frac{1}{4} y = x

Change y back into terms of x with x = f^{-1} (x) , then

f^{-1} (x) = h(x) = \frac{1}{4} x

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It cost you $12 to start up your
brilliants [131]

Step-by-step explanation:

let no. of hours be x.

45x - 12 ≥ 117

45x ≥ 129

x ≥ 2.8667 (5sf)

therefore, 3 hours (round up to next whole number).

Topic: inequalities

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

6 0
2 years ago
Larry reads that 1 out of 4 eggs contains salmonella bacteria, so he never uses more than 3 eggs in cooking. If eggs do or don't
aleksley [76]

Answer:

57.8125% or approx. 57.8%

Step-by-step explanation:

There is a 1/4, or 25%, or 0.25 chance that an egg has salmonella.

Thus, there is a 75%, or 0.75 chance that an egg DOESN'T contain salmonella.

Let's find the probability that all 3 of Larry's eggs are free from salmonella. Larry would have to hit that 75% chance 3 times in a row. The chance of that happening is:

0.75 * 0.75 * 0.75 = 0.75^3 = 0.421875

From this, we can deduce that if there is a 0.421875 (42.1875%) chance that all eggs are safe to eat, there must be a...

1 - 0.421875 = 0.578125

...0.578125 (57.8125%) chance that 1 or more of Larry's eggs do have salmonella.

Answer: approx. 57.8% or 57.8125%

7 0
3 years ago
Frankie descends 56 ft in 4 minutes. what is frankies average change in position per minute from which he started.
ArbitrLikvidat [17]

Answer:

14?

Step-by-step explanation:

6 0
3 years ago
What is 6 divided by 7/9
Hunter-Best [27]

Answer:

54/7

Step-by-step explanation:

  1. Use the KCF method - Keep, Change, Flip
  2. 6 divided by 7/9 is just 6/1 divided by 7/9
  3. You can keep 6/1 as the way it is
  4. Next, you change the sign from division to multiplication
  5. Lastly, you flip 7/9 to 9/7
  6. It will now change from 6 divided by 7/9 to 6/1 x 9/7
  7. You now multiple 9 x 6 which is 54 and divide by 7
  8. You cannot simplify further so the answer is 54/7

PLEASE PICK ME AS THE BRAINLIEST

6 0
3 years ago
Read 2 more answers
A board 8 ft long is cut into three equals pieces. How long are the pieces?
san4es73 [151]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
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