How would you graph y=a(7)^x.
\(y=a\times 7^x\)
\(f(x)\\\color{purple}=10\times 7^x\\\color{green}=3\times 7^x\\\color{blue}=2\times 7^x\\\color{red}=7^x\)
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asinus is telling you that this is the general shape but the exact shape depends on the value of a.