Which is the graph of y = cos(x) + 3? On a coordinate plane, a cosine curve has a maximum of 3 and a minimum of negative 3. On a coordinate plane, a cosine curve has a maximum of 4 and a minimum of negative 2. On a coordinate plane, a cosine curve has a maximum of negative 2 and a minimum of negative 4. On a coordinate plane, a cosine curve has a maximum of 6 and a minimum of negative 0.