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Koofer Final

# Koofer Final - MATH 114 12 17 2007 Name FINAL EXAM Please...

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1. A new car purchased in 2001 was valued at \$20,400. In 2007, it was worth \$18,000. Assuming the depreciation is linear, answer the following questions: i) (4 pts) Find the linear equation that relates the value V of the car (in dollars) to the time t (in years.) V -=- ~O) 400 V-= 18)oo'D /8) 000- 2. (J) '-to!:. =:. :1. .) ~oo _ -400 0-0 ~ V(t) = - !.toot + £.0) '+00 ii) (2 pts) What would the value of the car be in 20107 .2.0 /0 t:~ '1 \/eq) -=- -4CJo·Q + :l. .O)ltoo -=- -3(000-+ :/"040D - IG/soo iii) (4 pts) In what year will the value of the car be \$14,0007 'Y C t ) -=- I 4 ) OeD () - 400 t + J..O) 4:0 0 -=- 1'1 )00 0 /..fOD -t =. -G 400 t -=- 0 46.<5>_ ~ I Co /.tt;.s. :Go 0 I -t /(; - 02 0 IT year is _02_0_1_+ __ 2
2. Given f(x) = x 2 and g(x) = J1=X", determine the following: i) (1 pt) Domain of g(x) 1-)( ~.!) J) OrrYI CU Yt (_. OO) I] (oc + -Jt) 2.._ a. L _ ii) (3 pts) Simplify f(a + h~ - f(a) = --h a 2. t .2.a --e. l' ~ L -Ct "2- ,;z ~ --h -(- ~ 2..:::. -It (.2. a. ..,.-tJ -------- ::!. '-h

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Koofer Final - MATH 114 12 17 2007 Name FINAL EXAM Please...

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