Given f(x) = ax – b, what is f-1(x)? a) x+b/a b) 1/ax-b c) 1/ax+b

ANSWER

The correct answer is A

EXPLANATION

Given .

We can find the inverse by taking the steps.

1. Let  

2. Interchange x and y

3. Make y the subject

The new function we got now is the inverse of f(x)

x + b/a Replace f(x) with y, interchange x and y and solve for y.

13.33%

say 50 oranges, then 100 apples

80 are red, 20 are yellow

total fruit = 150

20chances out of 150 for yellow

20/150 = 13.33%

54

step-by-step explanation: