### Home > APCALC > Chapter 12 > Lesson 12.3.1 > Problem12-96

12-96.

Multiple Choice: A point moves in the plane according to the set of parametric equations $x(t) = 4 + \cos(π t)$ and $y ( t ) = \sqrt { t }$. What is the slope of the line tangent to the particle’s path at $t = 4$?

1. $0.25$

1. undefined

1. $0.0625$

1. $0$

1. $0.105$

$\frac{y^\prime(4)}{x^\prime(4)}$