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Problem Sheet #8 (3.4) Classlb: Math 1090 S Hmk.’Score Instructor: Katrina Johnson Name: 001 Spring 2013 0o\orS - Complete each problem. Clearly indicate your final answer. No credit will be given without supporting work. 3 1. Given the function f(x) = 4x + 12— x a) Write the function in standard form. f(c)= 3 - — 2 3x 44l b) What is the leading coefficient? c) What is the degree of the polynomial? 3 d) What are the zeros of the function? (+3) +4(c+!) 2 - o- -)(+2zo - y.r2O (443)(-’c #2)(’42.) e) What is the y-intercept? 0—0 i-oi-l f) bescribe the end behavior. 0r g) Sketch the graph. (Be sure to clearly label important points on your graph.) ‘.%. 2) _i , x>3 2. Give the function h(x)= 2x+3 7 a) Evaluate; I) h(4) = ii) h(1) - —1<x3 x—4 - 20)4 3 iii) h(—2) %r’i lS iv) h(-1) a-., - v)h(-4) ] b) What is the domain of the function? (Write your answer in interval notation.) (-o, -‘iO (_co) c) What is the y-intercept? =3 d) What is the x-intercept(s)? =o 2 -x 23=o 7 /-, -\_ 2