Chuuuuta. Aqui lo tiene como archivo TikZ
\documentclass[10pt]{article}
\usepackage{pgf,tikz,pgfplots}
\pgfplotsset{compat=1.15}
\usepackage{mathrsfs}
\usetikzlibrary{arrows}
\pagestyle{empty}
\begin{document}
\definecolor{dbwrru}{rgb}{0.8588235294117647,0.3803921568627451,0.0784313725490196}
\definecolor{dtsfsf}{rgb}{0.8274509803921568,0.1843137254901961,0.1843137254901961}
\definecolor{rvwvcq}{rgb}{0.08235294117647059,0.396078431372549,0.7529411764705882}
\definecolor{sexdts}{rgb}{0.1803921568627451,0.49019607843137253,0.19607843137254902}
\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1cm,y=1cm]
\begin{axis}[
x=0.5cm,y=0.5cm,
axis lines=middle,
ymajorgrids=true,
xmajorgrids=true,
xmin=7,
xmax=25,
ymin=70,
ymax=97,
xtick={-30,-25,...,55},
ytick={65,70,...,100},]
\clip(-32.17076184292954,64.94023311249079) rectangle (57.51270910306061,102.18283478777218);
\draw [line width=2pt,color=sexdts] (17,76) circle (1.5cm);
\draw [line width=2pt,color=rvwvcq] (14,92) circle (1.5cm);
\draw [line width=2pt,color=dtsfsf] (19,84) circle (1.5cm);
\draw[line width=2pt,color=dbwrru,smooth,samples=100,domain=-32.17076184292954.51270910306061] plot(\x,{0-24*((\x)-17)+76});
\begin{scriptsize}
\draw[color=sexdts] (16.2993888668117,77.98198976532372) node {$ec1$};
\draw[color=rvwvcq] (13.28711961366394,94.00178533888226) node {$ec2$};
\draw[color=dtsfsf] (18.284748147295453,85.99188755210298) node {$ec3$};
\draw[color=dbwrru] (16.84707418556584,101.87476179597299) node {$f$};
\end{scriptsize}
\end{axis}
\end{tikzpicture}
\end{document}
CLAP CLAP CLAP CLAP