Mathematics, 23.02.2022 14:30 zayeboyd4971
Find the equation of the following exponential, using the form a(b)^x I keep getting this wrong because I don't know what points to use for the equation
Answers: 1
![f(x)=ab^x \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{we know that}}{x=0\qquad f(x)=-1}\qquad -1=ab^0\implies -1=a(1) \\\\\\ -1=a ~\hfill \underline{f(x)=-1b^x} \\\\\\ \stackrel{\textit{we also know that}}{x=1\qquad f(x)=-4}\qquad -4=-1b^1\implies \cfrac{-4}{-1}=b^1 \\\\\\ 4=b ~\hfill \underline{f(x)=-4^x}](/tpl/images/2667/2779/ce8ca.png)
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Find the equation of the following exponential, using the form a(b)^x
I keep getting this wrong be...
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