Consider the following parametric curve. Answer parts a and b.6464x = 4t+y=4t-tit;t=4a. Determine in terms of t and evaluate it at the given value of t.dydxdxSelect the correct choice below and, if necessary, fill in the answer box within your choice.O A. The value ofOB. The value ofdxO A.dydxat t = 4 is**at t= 4 is undefined.(Simplify your answer.)b. Make a sketch of the curve showing the tangent line at the point corresponding to the given value of t. In eachgraph below, the blue dotted line is the tangent line and the red line is the curve. Choose the correct graph below.OB.OD.

The given parametric curve equation is

Consider the following parametric curve. Answer parts a and b. 64 dx x = 4t+y=4t-t=4 a. Determine in terms of t and evaluate it at the given value of t. dy dx OA. The value of 64 Select the correct choice below and, if necessary, fill in the answer box within your choice. OB. The value of dy dx dx at t= 4 is *** at t= 4 is undefined. (Simplify your answer.) OB. b. Make a sketch of the curve showing the tangent line at the point corresponding to the given value of t. In each graph below, the blue dotted line is the tangent line and the red line is the curve. Choose the correct graph below. OA. OC. D.