Answer:
The answer to your question is f⁻¹(x) = ![\frac{1}{2} x - \frac{3}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20x%20-%20%5Cfrac%7B3%7D%7B2%7D)
Step-by-step explanation:
Function
f(x) = 2x + 3
Process
1.- Instead of f(x) write y
y = 2x + 3
2.- Interchange the variables
x = 2y + 3
3.- Solve for y
- Subtract 3 in both sides
x - 3 = 2y + 3 - 3
x - 3 = 2y
- Divide by 2
![\frac{1}{2} x - \frac{3}{2} = y](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20x%20-%20%5Cfrac%7B3%7D%7B2%7D%20%3D%20y)
4.- Write f⁻¹(x) instead of y
f⁻¹(x) = ![\frac{1}{2} x - \frac{3}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20x%20-%20%5Cfrac%7B3%7D%7B2%7D)
Answer:
I think it's D1 ,
Step-by-step explanation:
2(1+1) = 4
2×1+2=4
I assume that the values appearing after the equal signs for Riverwalk, Mountainview, and Pine are the distances in miles. For Dylan who hiked Riverwalk and Mountainview, the total distance covered is,
3/4 + 1/2 = 5/4 or 1.25 miles
For Sonia who hiked Mountainview and Pine, the distance covered is,
1/2 + 3/5 = 11/10 or 1.1 miles
Answer:
Original Cost= $ 230
Price after Markup= $230*1.65 = $379.50
Price after Tax= $379.50*1.08= $ 409.86
15 times 3 plus 12 times 2 i got 69 as my answer