Use technology to sketch these functions on their given domain

MATHEMATICS · Multi-part · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

Use technology to sketch these functions on their given domain. Locate the points at the end(s) of the domain, as well as any turning points. Hence state the range of the function. (1) y=−x4+2x3+5x2+x+2,0≤x≤4y = -x^4 + 2x^3 + 5x^2 + x + 2, \quad 0 \le x \le 4 (2) y=−2x4+5x2+x+2,−2≤x≤2y = -2x^4 + 5x^2 + x + 2, \quad -2 \le x \le 2 (3) y=11+2−x,x>0y = \frac{1}{1+2^{-x}}, \quad x > 0

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