Which statement is true for all functions f(x)?
O
The graph of f(kx) is the graph of f(x) shifted left or right by | kl units.
The graph of -f(x) is the graph of f(x) reflected over the x-axis.
The graph of -f(x) is the graph of f(x) reflected over the y-axis.
The graph of f(x) + k is the graph of f(x) shifted left or right by kl units.