1.1: Functions and their representations
Def. A. function, is a rule that assigns to
बै
each element of x in a set V
42
elegent
fa) in a got. E. Dis the domain of I and E is
f(x)
the
range
of f.
a. Domain of 9: (0,2) U(2,4]
9.
6. Range of 9: (0,4)
C. Find the following (If they exist):
g(0)=0
g(1) = 2
Ex. Find the domain 9(2) loes not exist
of h(x) = 5x-2 + x-
Need x-2=0. So, x=2
سها
૭
Weed 8 #3
Domarini (2.3) U (3,00)
2. Find the following (if they exist):
Example (Piecewise de ned function)
fox) = {-2x-4, x
6. Graph y= f(x)
xso
V
f(-3)= 2
f(0)=-4
+(3) = 9
C. Domain and Range
D= R
R = E+,00) '
fi fi
Def. A. function, is a rule that assigns to
बै
each element of x in a set V
42
elegent
fa) in a got. E. Dis the domain of I and E is
f(x)
the
range
of f.
a. Domain of 9: (0,2) U(2,4]
9.
6. Range of 9: (0,4)
C. Find the following (If they exist):
g(0)=0
g(1) = 2
Ex. Find the domain 9(2) loes not exist
of h(x) = 5x-2 + x-
Need x-2=0. So, x=2
سها
૭
Weed 8 #3
Domarini (2.3) U (3,00)
2. Find the following (if they exist):
Example (Piecewise de ned function)
fox) = {-2x-4, x
6. Graph y= f(x)
xso
V
f(-3)= 2
f(0)=-4
+(3) = 9
C. Domain and Range
D= R
R = E+,00) '
fi fi
