Answer:
![{f}^{ - 1}(x) = 2x + 8](https://tex.z-dn.net/?f=%20%7Bf%7D%5E%7B%20-%201%7D%28x%29%20%20%3D%202x%20%2B%208)
Step-by-step explanation:
![f(x) = \frac{x}{2} - 4 \\ \\ y = \frac{x}{2} - 4 \\ \\ y = \frac{x - 8}{2} \\ \\ x = 2y + 8 \\ \\ {f}^{ - 1} (x) = 2x + 8](https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%5Cfrac%7Bx%7D%7B2%7D%20%20-%204%20%5C%5C%20%5C%5C%20%20y%20%3D%20%5Cfrac%7Bx%7D%7B2%7D%20%20%20-%204%20%5C%5C%20%5C%5C%20y%20%3D%20%20%5Cfrac%7Bx%20-%208%7D%7B2%7D%20%20%20%5C%5C%20%20%5C%5C%20x%20%3D%202y%20%2B%208%20%5C%5C%20%20%5C%5C%20%20%7Bf%7D%5E%7B%20-%201%7D%20%28x%29%20%3D%202x%20%2B%208)
About 3,000 books because 105 * 28 = 2940
and 2940 rounded to the nearest thousand is 3000. Hope this helps.
Answer:
Step-by-step explanation:
- f(x) = 4x - 2
- f(x - 1) = 4(x - 1) - 2 = 4x - 4 - 2 = 4x - 6
Correct option is D
132 in
Step-by-step explanation:
- Take the total radius = 18+3 = 21= R (say)
- Simply use the formula for the circumference i.e. 2*pi*R
- 2*22/7*21= 132
Answer:
B
Step-by-step explanation:
I'm not really sure tho