Directions: Read carefully. Choose the best answers.
1.
Given f (x) = x2 - 1 and g(x) = 5x2+ 2, find:
a) (f +g)(1)
Choose:
b) (f - g)(-2)
Choose:
c) (f • g)(0)
Choose:
d) (f / g)(2)
Choose:
2.
a) (f +g)(2)
Choose:
b) (f - g)(1)
Choose:
c) (f • g)(-1)
Choose:
d) (f / g)(0)
Choose:
3.
Functions f (x) and g(x) are defined as shown in the tables at the right. Use the tables to determine the following functions, in the order listed:
(f + g)(1); (f • g)(2); (g - f)(3)
x
1
2
3
4
f (x)
12
-18
34
10
x
1
2
3
4
g(x)
-4
8
4
12
Choose:
4.
Choose:
5.
Given f (x) = 3x2 and g(x) = 2x - 5,
express (f + g)(x + 3).
Choose:
6.
The graphs shown above appear on the interval [-6,6] with line segments connecting designated points whose x and y values are integers. Using these graphs, find the values of the following four expressions in the order they are listed:
(f + g)(2); (f • g)(-4); (f - g)(4); (g / f)(0)
Choose:
7.
If m(x) = | 4 - x | and p(x) = ln(x) - 2,
express (m - p)(1).
Choose:
8.
Given: andg(x) = x2 - 1 Express (f • g)(5).
Choose:
9.
Choose:
10.
Choose:
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