Practice problem
The graph of y=2log2(2x+6)−1y=2\log_2\left(2x+6\right)-1y=2log2(2x+6)−1 has a horizontal asymptote at
x=−3x=-3x=−3
y=−1y=-1y=−1
x=4x=4x=4
y=−3y=-3y=−3
Type a concept, like “slope” or “photosynthesis”.