Help answer key is on the bottom
2 answers:
Answer: 4 weeks
Step-by-step explanation:
since you can’t work half a week (in this case) we have to round up
Answer:
4 weeks
Step-by-step explanation
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First find function
![\\ \bull\tt\dashrightarrow f(x)=2(x+3)-3](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20f%28x%29%3D2%28x%2B3%29-3)
![\\ \bull\tt\dashrightarrow f(x)=2x+6-3](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20f%28x%29%3D2x%2B6-3)
![\\ \bull\tt\dashrightarrow f(x)=2x+3](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20f%28x%29%3D2x%2B3)
Now
![\\ \bull\tt\dashrightarrow y=2x+3](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20y%3D2x%2B3)
![\\ \bull\tt\dashrightarrow x=\dfrac{y-3}{2}](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20x%3D%5Cdfrac%7By-3%7D%7B2%7D)
But
![\\ \bull\tt\dashrightarrow y=f(x)](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20y%3Df%28x%29)
![\\ \bull\tt\dashrightarrow x=f^{-1}(y)](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20x%3Df%5E%7B-1%7D%28y%29)
Hence
.
![\\ \bull\tt\dashrightarrow f^{-1}y=\dfrac{y-3}{2}](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20f%5E%7B-1%7Dy%3D%5Cdfrac%7By-3%7D%7B2%7D)
Replace y by x
![\\ \bull\tt\dashrightarrow f^{-1}(x)=\dfrac{x-3}{2}](https://tex.z-dn.net/?f=%5C%5C%20%5Cbull%5Ctt%5Cdashrightarrow%20f%5E%7B-1%7D%28x%29%3D%5Cdfrac%7Bx-3%7D%7B2%7D)
Answer: QT= 10.5
Step-by-step explanation:
18.3-7.8
Answer:
8/24 = 1/3
1/3 = 0.3333
0.3333 = 35%
Step-by-step explanation:
Answer:
k = 54
Step-by-step explanation:
k + (-12) = 42
Remove parenthesis and addition sign
k - 12 = 42
Add 12 to both sides
K = 54
The answer would be variable.
hope this helped :)