I. Entering the Function in the Graph Window

D. Exponential Functions

When entering exponential functions, you must put parentheses around any exponent that is a product or a rational number. For example, if you enter the function as without using parentheses, the calculator will read the function as . Enter the functions and note the use of parentheses for exponents and the rational function y2.

Example: Enter the functions shown.

Put parentheses around the base
expression and the exponent.
Put parentheses around the numerator,
denominator, and the expression.
Functions entered.

B. Trigonometric Functions