Where Is the Function F(x) = Differentiable?
A) $\infty$

Multiple Choice

Where is the function f(x) = differentiable?

A) at every x (- $\infty$ , $\infty$ )
B) at every x 11ee7b17_3372_5854_ae82_d19d2ea0c252_TB9661_11 (- $\infty$ , 0) 11ee7b17_3372_5854_ae82_d19d2ea0c252_TB9661_11 (0, $\infty$ )
C) at every x 11ee7b17_3372_5854_ae82_d19d2ea0c252_TB9661_11 (- $\infty$ , 3) 11ee7b09_453f_4329_ae82_2b7669cf7fd7_TB9661_11 (3, $\infty$ )
D) at every x 11ee7b17_3372_5854_ae82_d19d2ea0c252_TB9661_11 (- $\infty$ , 0) 11ee7b09_453f_4329_ae82_2b7669cf7fd7_TB9661_11 (0, 3) 11ee7b09_453f_4329_ae82_2b7669cf7fd7_TB9661_11 (3, $\infty$ )
E) none of the above