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Unformatted text preview: Linear Functions 1} For the following pair of points, ﬁnd the slope of the line containing them. _ r a . 3;.
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2} Delennine the slope and [he yintereept and then graph each equation.
a} _1'=—3.‘l'+5 s} 4_i=+2t}l=.t
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.3 we: (are) 5' ~?~E5~432_'1 12 3 4 5 E T e is? 3} To make a music video, it costs $‘i‘5ﬂ to rent a studio p] us 55 for each copy produced.
it} Write a linear function, (I, that caleulstes the cost of producing I videos. (.06) 1' 5x + 750 h} Find the cost of producing ssoe videos.
C, {ﬂee} = swede) + .750
$132.50 4} Find an equation of the line having the specified slope and containing the indieated point. Write your ﬁnal answer as a linear ﬁinetion in slope—intercept form. or = 2.3, {4. 5} 1 0T :‘WJHH
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a <63 A O“ 3 rs=2.3<:e3+La
léPE 52:3?4—qu rs :dfl1+b
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{53¢}: Laxfa; {iixBIErEXWil 5} Find an equation ot‘tho line containing the pair of points. Write your answer as a linear function in slopeintercept form. {3,41,15,45} g]:
m: Li'i‘ia Ey"Li: ’SCX’S) $355 gd4=rgx+l5 e {Sac H"; ti
= “'3 is it? I: _._3X+i€! ; ii} Use the graph to ﬁnd the equation oflhe line in slopeintereepl Form. ic eel+1:
*154‘h :W‘IXir = a
(>33 1 “Ex‘iidi T} The number of radio stations on the air from 195C! to EUDI may be modeled by ﬁx} = 2t] I .1: — 39ﬂ,4?? y where x is the year. a} HOW many radio stations were on the air in 1931'}? ﬁesta}: mamas  antes}???
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b) What is the slope of the graph of t‘? in: solo e} Interpret the slope as a rate of ehange. Time nowher og' moire Eijdkiﬁdvtf: i": incuﬂﬂiv’t
ﬂiomi: 20L Skillet/1f: at We héhmszgeZL/L moi met. lo
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This note was uploaded on 06/07/2010 for the course MTH 95 taught by Professor Nelson during the Spring '10 term at Portland CC.
 Spring '10
 Nelson

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