Answer:
From the picture when the input of f(x) is 6 the output is 8
So it's just the reverse f^-1(8) when the input is 8 the output is 6
So f^-1(8) = 6
Hope this helps you
Answer:
x + y = 20
Step-by-step explanation:
Let the amount collected by Alexa = $x
& the amount collected by Daniel = $y
Total amount collected = $20
Therefore,
x + y = 20