(a) Use a graphing utility to graph the curve represented by the parametric equations,

(b) Use a graphing utility to find dx/dt, dy/dt, and dy/dx at the given value of the parameter,

(c) Find an equation of the tangent line to the curve at the given value of the parameter,

(d) Use a graphing utility to graph the curve and the tangent line from part (c).

Parametric Equations x = 6t, y = 1 - 4t Parameter 1 2 t