# What is the range of the function 7-(n+3)^2?

$\left(- \infty , 7\right)$
assume$f \left(n\right) = - {\left(n + 3\right)}^{2} + 7$
Maximum is 7 when $n = - 3$
minimum is $- \infty$
$\left(- \infty , 7\right)$