Let $f$ be the function defined by $f ( x ) = - 2 + \ln \left( x ^ { 2 } \right)$. (a) For what real numbers $x$ is $f$ defined? (b) Find the zeros of $f$. (c) Write an equation for the line tangent to the graph of $f$ at $x = 1$.
answer
Let $f$ be the function defined by $f ( x ) = - 2 + \ln \left( x ^ { 2 } \right)$.
(a) For what real numbers $x$ is $f$ defined?
(b) Find the zeros of $f$.
(c) Write an equation for the line tangent to the graph of $f$ at $x = 1$.