Math 2-Unit 4 Name Test Review - Typepad · 2011. 10. 24. · Graph the function f. Then use the...
Transcript of Math 2-Unit 4 Name Test Review - Typepad · 2011. 10. 24. · Graph the function f. Then use the...
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Math 2-Unit 4Test Review
Name KSY-Date, Period 1
-t{-Il-}.a~
13. (-2a3b7c-2r~-.(JQ b t 14.~
~BI ~ ri,3.; b
16. (7X3y')' "'ill
i=[I= I~I
20. 4.8x107
2.1xlO-S -10,21 X IOI~
23. Gf {t)~1'~JqI
6. ((SX2yZ')')' =JIl•
18. ~-...;,.....
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f(x)=x2-5For #25-30: g(x) = 2x + 1
hex) = 3x
25. f(x) +g(x)XJ. - :l,X+ (
x'J.+lX --tf
31. State the domainfor #25. __ 1R;......1---,....-.-- _32. State the domainfor #26. 1_R~~~--33. State the domainfor #30. 1)..L.!.R~)I-"X.=......iL..-..l:lt.o-
f(x)=x2+2
For #34-39: g(x) = -4x3
hex) = 2X2
27. h(f(x)) :: 30'= 5' ).Q x~-/a
/ "1. 2.38. h(h(x)). (-l~
s: ( tf X if) ::~37. f(x) + g(x) ~ \X :2...\-~.+- .•.L{ y.. )- LJ't3+)(~+;L
40. ate f e om· or #34. __ \K~r-- _41. State the domainfor #37. __ ,...:......;.)l~=-- _42. State the domainfor #39. ..!..JlR~ _
39. h(x)- f(x)J( z. C5:}2))( ;Z_cl
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Find f-1 (x) for the following functions:
45. f(x) = 17xX s: j]..
-t yIi ....l c '/$
)I 1t'r-\ 1y ;: 7 "1"(1,() ~jr
48. f(x) = x3 -8 .x_~3_g
fx.;lf -== (if:y+(~}= yx~§
53. f(x) = 8+2x2, X s 0
54. Whedou find tre inverse of a function, the range of the original function becomesthe oY\t\(t( Vl of the inverse funct'ion.-
52. f(x) = x5 e:~-;;:J=r-( -srr:-+ eX) -s Y X
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Graph the function f. Then use the graph to determine whether the inverse of f is afunction.55 56. f(x) = x2-1f(x) = -5x + '?tn.
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io 1\IV \In '\v. •
~ .n' 'I'-, IV, 10IV
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'-1\ ..., ~ *\~ ~.~ " --1 n _R - - _ J. 1"\ J 1iJ"'"h .•I~ , -
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Is the inverse a function? y e.5Does it pass the one to one test? ~ e,S
Is the inverse a function? --------
Does it pass the one to one test? ~---=C=----_-:-CD,· I) (0,1) U,") (1,,2) (gl ~)Lg,·3>
Consider the relations described by the following ordered pairs. a- state the domainb-Give the inverse of the function _ L-/ b '-I ] (J. - LI) (-'Is:) ( I) Y )57. (-4,2), (5, -7), (4,1) a. b. _--..:./ ---,
Q. [-l,- S f b. (4 ,- 2.~l-71-l)( I J -'0)58. (-2,4), (-2, -7), (-5, 1)