Answer
True, $f(x)=x^2+1$ is a possible function (please refer to the step by step part) as it satisfies the given that $f(7)=50$.
Work Step by Step
Note that when x=7,
$\\\\f(x)=x^2=1
\\\\f(7) = 7^2+1 = 50$
$\\\\\\$Thus, $f(x)=x^2+1$ is a possible function since $f(7) = 50$.
