Find an equation of y as a function of x for the parametric equations given below by eliminating the parameter. Also, indicate the direction of the curve. $$x = t , \quad y = 3 t ^ { 2 } , \quad t \in ( - \infty , \infty )$$
A) $y = x ^ { 2 } , x \in ( - \infty , \infty ) \text {, left to right }$
B) $y = 3 x , x \in ( - \infty , \infty ) \text {, left to right }$
C) $y = 3 x ^ { 2 } , x \in ( - \infty , \infty ) \text {, right to left }$
D) $y = 3 x ^ { 2 } , x \in ( - \infty , \infty ) \text {, left to right }$

Question

Quizplus · Accepted Answer

The Answer is D

Find an Equation of Y as a Function of X x=t,y=3t2,t∈(−∞,∞)x = t , \quad y = 3 t ^ { 2 } , \quad t \in ( - \infty , \infty )x=t,y=3t2,t∈(−∞,∞)

Find an Equation of Y as a Function of X $x = t , \quad y = 3 t ^ { 2 } , \quad t \in ( - \infty , \infty )$