Chapter 2.1, Problem 10E

For the following exercises, points P(l.5, 0) and Q( $\varphi$, y) are on the graph of the function $f\left(\varphi \right)=\cos \left(\pi \varphi \right)$ .

10. [T] Complete the following table with the appropriate values: y-coordinate of Q, the point Q(x, y), and the slope of the secant line passing through points P and Q. Round your answer to eight significant digits.

X

y

Q(

   $\varphi$

,y)m_sec 1.4 a. e. i. 1.49 b. f. j. 1.499 c. g. k. 1.4999 d. h. l.