Answer:
8.5769091e+16
Step-by-step explanation:
hope this will help you mark me as brinalist friend please
From the above image when the input of f(x) is 9 the output is 1
So f^-1(1) is just the reverse when the input is 1 the output is 9
So f^-1(1) = 9
Hope this helps
= 7×7.5×14.5
= 761.25
800-761.25
= 38.75
so the answer is c
