Practice problem
Let a≠0a \neq 0a=0 be a real number. How many times do the graphs f(x)=∣x∣f(x) = |x|f(x)=∣x∣ and g(x)=∣x∣+ag(x) = |x| + ag(x)=∣x∣+a intersect?
−1-1−1
000
111
222
∞\infty∞
Type a concept, like “slope” or “photosynthesis”.