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TEA [102]
3 years ago
13

If x is added to 4 and then multiplied by 2, then the function is f(x) = 2(x +4)

Mathematics
1 answer:
romanna [79]3 years ago
7 0

Answer:

a)

Step-by-step explanation:

To find inverse:

replace f(x) with y:   y = 2(x + 4)

Then switch y and x:    x = 2(y + 4)

Finally make y the subject:

x = 2(y + 4)

x/2 = y + 4      (divide by 2)

x/2 - 4 = y       (subtract 4)

So, the inverse is y = x/2 - 4

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Answer:

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