Precalc0101to0102-page6

Precalc0101to0102-page6 - (Section 1.1: Functions) 1.1.5...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
(Section 1.1: Functions) 1.1.5 PART D: EVALUATING FUNCTIONS (THE BASICS) If an input x ± Dom f () , then its output is a well-defined (i.e., single) value, denoted by fx . • We refer to x here as the argument of f . • We refer to as the function value at x , or the image of x . is read as “ f of x ” or “ f at x .” WARNING 4 : does not mean “ f times x .” A function can be modeled by an input-output machine such as: x ± f ± When we evaluate a function at an input, we determine the resulting output and express it in simplified form.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 12/29/2011.

Ask a homework question - tutors are online