What function is the inverse of f(x) = 2x + 3 ?
1 answer:
Answer:
Step-by-step explanation:
f(x) = 2x + 3.....change f(x) to y
y = 2x + 3.....switch the x and y and solve for y
x = 2y + 3
(x - 3) = 2y
(x - 3) / 2 = y or y = 1/2x - 3/2 <===
can be written as : f-1(x) = (x - 3) / 2....f-1(x) is the inverse
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