Question 1098779

Find the instantaneous rate of change of f(x)=x^2-(2/x)+4 at x=-1 
A. -7 B. -4 C. 0 D. 4 E.7 
<pre>Correct answer: {{{highlight_green(matrix(1,3, 0, or, "C."))}}}
IGNORE all other WRONG/INCORRECT/RIDICULOUS answers.