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Thread: Exponential Functions (Graphs)

  1. #1
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    Exponential Functions (Graphs)

    Exponential Functions (Graphs)-math-practice-worksheet.jpg

    Hello, I have an upcoming test next week and don't really know how to solve these types of problems. Here is a practice worksheet that my instructor gave me, all I ask is someone could pls show me the" step by step" how to solve this solution (Pls don't just say the answer) Especially in the very 1st question. I just need to know the methods, thank you.
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  2. #2
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    Re: Exponential Functions (Graphs)

    In order that someone may give you the best guidance, go through the linked lesson, then try to answer your attached questions giving your reasoning.

    Graphing Exponential Functions: Introductory Concepts
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    Re: Exponential Functions (Graphs)

    Quote Originally Posted by RichardK View Post
    Click image for larger version. 

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    Hello, I have an upcoming test next week and don't really know how to solve these types of problems. Here is a practice worksheet that my instructor gave me, all I ask is someone could pls show me the" step by step" how to solve this solution (Pls don't just say the answer) Especially in the very 1st question. I just need to know the methods, thank you.
    For question #1, note that both graphs contain the point $(0,3)$.
    If $y=a(b)^x$ contains the point $(0,3)$ then $a=3$ WHY?
    If the graph is increasing then $b>1$ WHY?
    So post the answers, so we can help.
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  4. #4
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    Re: Exponential Functions (Graphs)

    This is really just a matter of understanding what "ab^x" means and then doing the arithmetic.

    When x= -2, -1, 0, 1, and 2 what are 2(3^x) or 3(2^x)?
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