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First we need to find inverse function of f(x) which is written in a form of (f(x))^(-1)
That means that we are actually looking for function f(y) and we need to solve this equation for "y"
y=(4x + 1)/3
3y = 4x + 1
4x = 3y - 1
x = (3y - 1) / 4
f(y) = (3y - 1)/4
Now we simply put the value of 3 instead of y and find the answer:
f(y=3) = (3*3-1)/4 = 2
Answer is 2
Each eraser was $4.
6+4(3)=18
6+12=18
please vote my answer brainliest. thanks!
Answer:
A is the one that is true
Step-by-step explanation:
Because W is bigger than Z as it has the bigger proportion of the angle :)
