2010013013

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Project ID: 
2010013013
Source Problem: 
Accepted: 
0
Clonable: 
1
Easy: 
0
Find the formula of an exponential function \(f(x)=a^x\), if you know that the point \(P=\left[-\frac12;7\right]\) lies on its graph.
\(f(x)=\left(\frac1{49}\right)^x\)
\(f(x)=\left(-\frac12\right)^x\)
\(f(x)=\left(\frac17\right)^x\)
\(f(x)=\left(-\frac17\right)^x\)