Answer:
all work is shown/pictured
we know that f(1)=2 so f^-1(2)=1
so B is correct!
3 x 50 = 150
150 x 1.25 = 187.5
If you were to buy just brats, you would spend $187.50. So, you would have a spare $12.50, which could buy you 8 more.
3 x 50 = 150
150 x 0.95 = 142.5
If you were to buy just hamburgers, you would spend $142.50. So, you would have a spare $57.50, which could buy you 60 more.
Answer:
1st pic: Answer is 3
2nd pic: Answer is 5
3rd pic: Answer 4
Step-by-step explanation: