9. <span>1.25 = (1 x 1) + (2/10) + (5/100)
11. is ---C----</span>
I think the answer is (2x - 9)(x - 5)
Answer:
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
