Question 1098779
<br>The instantaneous rate of change of a function f(x) at x=1 is the derivative of the function, evaluated at x=1.<br>
f(x) = x^2-(2/x)+4 = x^2 -2x^(-1)+4
f'(x) = 2x+2x^(-2)
f'(1) = 2+2 = 4