At which value(s) is the expression
\[ \frac{x}{x^{2}+4} \] undefined?
a) (-2, 2)
b) x = ±2
c) never undefined
d) (-∞, -2) u (-2, 2) u (2, ∞)
e) (-∞, -2] u [-2, 2] u [2, ∞)

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

If angle 2=3x +1 and angle 3=2x +4what is angle 2

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?