(Solved): Consider the following parametric equations. Answer parts a. through d. x=t, y=t+4; -4st4 B. ...

Consider the following parametric equations. Answer parts a. through d. x=t², y=t+4; -4st?4 B. 12 12 -20 What is the positive orientation (the direction of increasing t)? Downward Upward Left Right c. Eliminate the parameter to obtain an equation in x and y. X = (Type an expression using y as the variable.) O A. -4 Z 10+ -4 ?? 20- -10 X O C. -20 12 ? HO ?² ·10 12 ?? 2 A X 20