SOLUTION: Given f (x) = 7x + 8 on the domain of all real numbers, find f -1(x).

Algebra ->  Functions -> SOLUTION: Given f (x) = 7x + 8 on the domain of all real numbers, find f -1(x).      Log On


   

Question 528004: Given f (x) = 7x + 8 on the domain of all real numbers, find f -1(x).
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
+f%28x%29+=+7x+%2B+8+


+y+=+7x+%2B+8+


+x+=+7y+%2B+8+


+x+-+8+=+7y+


+%28x+-+8%29%2F7+=+y+


+y+=+%28x+-+8%29%2F7+


So the inverse function is


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