v-wv ; 5!, Invfflfl 5'7 5
v .
1.3. Find the inverse function off(x) = ln(x + 3).
Y=Ln(x+3)
b. Verify that f1(f(x) = x and f(f_1(x) = 7-
(1(a)
(Ob ) F("(x)
nx+3
c (-3)
(gnu/x) 66 )
F :x LUt) ix
c. State the domains and ranges off(x) and f1(x). (-a '(IHy
11. Uéing'the Washer method, nd the volume of the region formed b9,
rotating the area enclosed between the graphs of y = x and y = x2 about,
theliney=-1.- ' volum=7f£h()a-(r)3x ' "
- 91 a
x-x3): hégf
.
aphsafy
7 3/2
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"Fi'hdit'hé length-of the curve y