Final answer:
To make the graph y = 2x + 5 steeper, use the equation y = 4x + 5.
Step-by-step explanation:
To make the graph of y = 2x + 5 steeper, we need to increase the coefficient of x. Among the given equation options, the equation y = 4x + 5 has a larger coefficient of x.
Learn more about Graphing Linear Equations