To help solve the trigonometric inequality secant (StartFraction x over 3 EndFraction) plus 4 is less than 2 minus secant (StartFraction x over 3 EndFraction), which two equations could you graph?
y = sec(x/3) and y = -2
y = sec(x/3) and y = -1
y = sec(x/3) and y = 1
y = sec(x/3) and y = 2