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f(x) = 5 + 3(x - 7) - (x + 1)
f(-2) = 5 + 3( -2 - 7 ) - ( -2+1)
= 5 - 6 - 21 + 2 -1
= - 21
…………………………
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Welcome to Yahoo! Answers. I hope this helps:
f(x) = 5 + 3(x - 7) - (x + 1)
f(-2) = 5 + 3( -2 - 7 ) - ( -2+1)
= 5 - 6 - 21 + 2 -1
= - 21
…………………………
When you post a question, you can choose the forum where you want it to appear. A question like this might get more responses if it were posted in "Homework Help" or in "Mathematics." Enjoy.