F^-1(x) is the inverse so...
f^-1(x) = (-1/5)x - 11/5
The anwer of this question is c
Answer:
Step-by-step explanation:
Required
Write an equation to present her daily earnings?
Let daily sales be represented by x and daily earnings be represented by y.
y is calculated as thus;
Convert percentage to decimal
Hence, her daily earnings is