sparknotes
Operations with Functions
Problems
Problem :
If
f (x) = 3x - 2
, what is the value of:
a)
f (1)
b)
f (2)
c)
f (- 4)
d)
f (z)
e)
f (2x)
f)
f (2x + 1)
Problem :
If
f (x) = 3x
2 + 4x - 9
, what is the value of:
a)
f (2)
b)
f (- 2)
c)
f (
)
d)
f (4x)
e)
f (6 - x)
Problem :
If
f (x) = 2x + 4
and
g(x) = 4x
2 - 2x
, what is the value of:
a)
(f + g)(2)
b)
(f + g)(- 1)
c)
(f + g)(0)
d)
(f + g)(x)
e)
(f + g)(2x)
Problem :
If
f (x) =
x - 4
and
g(x) =
x + 6
, what is the value of:
a)
(f + g)(3)
b)
(f + g)(- 5)
c)
(f + g)(x)
d)
(f + g)(x + 7)
Problem :
If
f (x) = 4x - 9
and
g(x) = 2x - 3
, what is the value of:
a)
(f - g)(5)
b)
(g - f )(5)
c)
(f - g)(x)
d)
(g - f )(x)




