Tangent lines – Sharp EL-9900 User Manual
Page 81
Advertising
6
Advanced Keyboard/CALCULUS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Draw the tangent line to a function at a given point.
1.
To draw the tangent line on a displayed graph, you must first enter the
graph for Y1. Enter the function f(x) = x
3
– x
2
+ 1 for Y1 by pressing Y=
CL X/
θ/T/n a
b
3 – X/
θ/T/n x
2
+ 1 ENTER .
2.
Graph the function by pressing ZOOM A (ZOOM) 7 (Dec).
3.
Draw the tangent line at x = 1 by pressing 2ndF DRAW A (DRAW)
5 (T_line
(
), move the tracer right to x =1 by pressing repeatedly,
and then press ENTER .
TANGENT LINES
▼
▼
Advertising