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# Test4Solutions - Math 107 — Test 4 — Chapter 12 8 13...

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Unformatted text preview: Math 107 — Test 4 — Chapter 12 8:: 13 Printed Name: a GRADE Calculators are allowed on this test...neighbors are not! Round answers (where appropriate) to 4 places after the decimal. of 100 Which of the following expressions are polynomials? . . . . . . . - . . . . . . u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . a . .. Evaluate the polynomial function p(:1:) = 3:122 + 59: — 2 at p(1 + 11). Put 'in standard form! p(l+3l= 20w lsmj) a 7, c 2( H-Zj’rjll +5 +53'2 : 3+63+331 +5+gj’2 : 3j2+llj +6 332“le Consider the polynomial (2:1: — 3X42: + 5)(3:1: — 1)(:t + 1)5. Find the leading term and constant coefﬁcient. I don’t recommend expanding this expression! (2mm mm‘ = 2m" LEADING TERM 27x8 C }) (Suﬁ) ('3‘ '= I S CONSTANT COEFFICIENT 15 Consider the polynomials p(w) = m3 -— 5:1: + 2 and q(:z:) = —933 + 3:1: —- 5. What is the maximum number of possible zeros of p(:1:) - q(:1:)? 5U“ poll-«b (x) c e e Dr Flmmnrt. Fall ‘2010 T of TH Points Earned of 40 Math 107 — Test 4 — Chapter 12 86 13 Please pick the graph which best ﬁts the information: Zero Repeated FIGURE -2 Yes: 2 Times 0 Yes: 3 Times '3 Figure A Figure B Solve the following equations. (2—4)3=—<z—4)2 MM? H14“) :0 (MVmWHD : 0 («AQHX 33 z 0 RH :0 as “-350 X;LI UV!- 3or LI . . . . . o o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - o . - . ~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0:32.15954;4 x+ Edwin" ten-10X:th 0(5 “H pninf: Earned nf 9R TI mc TTT DIX Emmert Fall 2010 Math 107 — Test 4 — Chapter 12 & 13 Determine a polynomial, 12(3)), that ﬁts the picture. Note that p(0) = 8. Use the smallest degree possible. Leave in factored form! used 3 O\(%~(~z\3I (N‘Hﬁ (291]). ﬁx] : q('1(+l)1(’7k‘l"3(1‘l) Hal 2-8 Mn‘mw < “(a 0v D/.,| : 1 2 — 4 Graph the rational function 7‘(:1;) 2 cum—234i), MY}: *Lﬂiiz ,, («~3ll’x‘0 ? °< (r?) z2+4x—5 —.I z2+4w+4 fany Find the domain, zeros, holes, and vertical asymptotes of the rational function 7‘(:z:) = such feature is not present, please state “NONE.” N ‘ ﬁli‘lX‘g ._, ( ’K '1’ SVX- ‘) DOMAIN : W ,. .. Y «1 W H («m1 An N {KM/Ft ’X “ Z HOLE(s) VERTICAL ASYMPTOTE(S) x='Z NON: nr Rmmnrf pull Onln TTT n? TIT Dninfu F‘QTHDI" l AF Q9 ...
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## This note was uploaded on 01/16/2012 for the course MATH 107 taught by Professor Teuge during the Fall '05 term at Tarleton.

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Test4Solutions - Math 107 — Test 4 — Chapter 12 8 13...

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