Where is the function f(x) = differentiable?
A) at every x (-$\infty$, $\infty$)
B) at every x (-$\infty$, 0) (0, $\infty$)
C) at every x (-$\infty$, 3) (3, $\infty$)
D) at every x (-$\infty$, 0) (0, 3) (3, $\infty$)
E) none of the above

Question

Where is the function f(x) =   differentiable?
A) at every x (-$\infty$, $\infty$) 
B) at every x (-$\infty$, 0) (0, $\infty$) 
C) at every x (-$\infty$, 3) (3, $\infty$) 
D) at every x (-$\infty$, 0) (0, 3) (3, $\infty$) 
E) none of the above

Quizplus · Accepted Answer

The Answer of Where is the function f(x) =   differentiable?
A) at every x (-$\infty$, $\infty$) 
B) at every x (-$\infty$, 0) (0, $\infty$) 
C) at every x (-$\infty$, 3) (3, $\infty$) 
D) at every x (-$\infty$, 0) (0, 3) (3, $\infty$) 
E) none of the above

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

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