Answer: D
80 000 > 0,00004
80 000 : 0,00004 = 2 000 000 000
2 000 000 000 = 2*10^9
Step 1: Divide $5.25 by 5
=1.05
Step 2: Multiply 1.05 by 3
= 3.15
Step 3: You're done!
we know that f(1)=2 so f^-1(2)=1
so B is correct!
Answer: 24 minutes it the correct answer you would do 40(60) = 2,400
Deducte the 0's and you have 24
