Practice problem
If f(x)=∣x∣f(x)=|x|f(x)=∣x∣, then ______ gives a vertical translation.
f(x)f(x)f(x)
f(x)+kf(x)+kf(x)+k
f(x+k)f(x+k)f(x+k)
f(x−k)f(x-k)f(x−k)
Type a concept, like “slope” or “photosynthesis”.
