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If f (x) = 8 (5x - 2) find f (x)​

If f (x) = 8 (5x - 2) find f (x)​-example-1
User DonutReply
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1 Answer

4 votes

Answer:

f-1(x) = (x - 16)/40

B

Explanation:

Call f(x) = y

Interchange x and y

x = (5y + 2)*8 Remove the brackets

x = 40y + 16 Subtract 16 from both sides

x - 16 = 40y Interchange the left and right sides

40y = x - 16 Divide by 40

y = (x - 16)/40

f-1(x) = (x - 16)/40

User MuntingInsekto
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