Question

3.) If f(x)=-|x| is graphed on a regular coordinate grid, does the graph form an acute, right, or obtuse angle at its vertex? a. Acute b. Right c. Obtuse d. There is no vertex

Answer 1

The given function is an absolute value function with vertex at the origin (0,0).

It is important to know that an absolute value function has a v-form where the lines are perpendicular because the lines have opposite slopes.

Hence, the right answer is B there is a right angle between the lines.