Only number 3. I. Let P be the point with Cartesian coordinates (3, 7) and C be the curve on the Cartesian plane withparametric equationsx = 2t? + 1ly = t5 + 5t3 + t²1. Expressdyin terms of the parameter t without eliminating t. Simplify your answer.d.x2. Find the value of t that corresponds to the point P which is on the curve C.3. Using the result of items 1 and 2, determine the tollowing:(a) The equation of the tangent line to curve C at P, in point-slope form.(b) The concavity of C at P.

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Let P be the point with Cartesian coordinates (3, 7) and C be the curve on the Cartesian plane with parametric equations Sr = 2t2 + 1 ly = t5 + 5t3 +t² dy in terms of the parameter t without eliminating t. Simplify your answer. dx 1. Express 2. Find the value of t that corresponds to the point P which is on the curve C. 3. Using the result of items 1 and 2, determine the tollowing: (a) The equation of the tangent line to curve C at P, in point-slope form. (b) The concavity of C at P.