9.2 Polynomials Pg. 388: 7,9,11,13,21

Lesson 26 - 9.2 # 7 Estimate zeros of polynomial

So y-int (0, 2) and zeroes are: (0.72, 0), and (1.70, 0)

Lesson 26 - 9.2 # 9 What power does this poly resemble?

Resembles poly with degree 3

Lesson 26 - 9.2 # 11 What is the degree of polynomial and what function resembles?

Degree 9 or

Lesson 26 - 9.2 # 13 Compare graphs of 2 poly:

Formula is: and

Both have same end behavior ar x => infinity

Lesson 26 - 9.2 # 17 From graph or polynomial

(a) Graph f(x) and tell if invertible (passes horizontal line test)

(b)

Lesson 26 - 9.2 # 21 Population of town of Smallville .

(a) P0 = 5 or 500 hundred people

(b) y = 0 when x = 8.4 years from 1900 or May 1908.

(c) Max pop after 1905 occurs at t about 7.2 yrs of 7.9 or 790.