Find a Least Number $\delta$ Such That |F(x) - L| $\varepsilon$

Find a least number $\delta$ such that |f(x) - L| < $\varepsilon$ if 0 < |x - a| < $\delta$ . ; $\varepsilon$ = 0.005

A) 0
B) 0.0025
C) 0.0028
D) 0.0035
E) 0.0039