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anonymous

  • 5 years ago

If anyone could please help, I've been working on these functions for three days! I really need to understand these concepts so please show work. Question 1: If f(x) = 7x - 5 show how we find f( 8) Question 2: If f(x) = 7x - 5 show how we find f(x) = - 3

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  1. anonymous
    • 5 years ago
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    In first eq just punch in 8 for x.

  2. anonymous
    • 5 years ago
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    thank you for your response, but I've already tried that and I was told the answer was wrong -.-

  3. anonymous
    • 5 years ago
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    So what are you working on? Did your teacher say it was wrong? It is in a book? The question is worded oddly 'show how we find...'

  4. anonymous
    • 5 years ago
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    she's implying f(x)=8...so I need to solve for x. I've looked in the textbook and solved the problem by the examples but she still tells me it's wrong. I don't know what can be plugged in for x to make the equation work...

  5. anonymous
    • 5 years ago
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    OK so set 7x-5=8 and solve for x

  6. anonymous
    • 5 years ago
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    ok, thank you for your help (:

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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