$f(x) = 4x+3\\\\\text{Write f(x) as y = 4x+3}\\\\\text{Replace x with y,}\\\\x =4y +3\\\\\text{Solve for y:}\\\\ \implies x =4y+3\\\\\implies 4y = x-3 \\\\\implies y =\dfrac{x-3}4\\\\\implies f^{-1} (x) = \dfrac{x-3}4\\\\\text{This is the inverse of f(x)}$

4 0

2 years ago

A group of friends are playing golf. The total cost of the round of golf is $108. Each person in the group has the same coupon.

marta [7]

For this equation, we can let c = the value of one coupon
4c = 108 - 76 
4c = 32 
c= $8

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4 0

3 years ago

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