Name: ______________________________________________
Math 2
Pre 1.1 Worksheet
Simplify the following expressions
1. 2  3x  8
3.
2. 5  3x  6
8x
12 x  6 
3
4.
3 x
16 x  4 
4
Identify the function as linear, exponential or neither.
y
5.
6.
5
4
3
2
1
–5
–4
–3
–2
–1
–1
1
2
3
4
x
5
–2
x
f(x)
-5
5
-4
13
-3
24
-2
37
-1
54
–3
–4
–5
8. f  x   2  x  3  42
y
7.
5
4
3
2
1
–5
–4
–3
–2
–1
–1
–2
–3
–4
–5
1
2
3
4
5
x
9. f  x   3x  2
Determine whether the function is linear, exponential, or neither. Then find the explicit and recursive equation for
each. For #10-11, graph the functions. Place your axes so that you can show all 5 points. Identify your scale.
10.
11.
x
f(x)
-1
2/5
Type: ___________________________
0
2
Explicit: __________________________
1
10
2
50
x
f(x)
0
3
1
8
2
13
3
18
4
23
5
28
Type: ___________________________
Explicit: __________________________
12.
x
f(x)
3
13.
x
f(x)
27
-4
81
4
81
-3
27
5
243
-2
9
6
729
-1
3
0
1
Type: ___________________________
Type: ___________________________
Explicit: __________________________
Explicit: __________________________
Identify the rate of change (slope) in each of the representations below.
y
14.
5
–5
16.
y
15.
–4
–3
–2
4
3
3
2
2
1
1
–1
–1
y = -6x + 3
5
4
1
2
3
4
5
x
–5
–4
–3
–2
–1
–1
–2
–2
–3
–3
–4
–4
–5
–5
18. A (-6, 4) and B (3, 8)
1
2
3
4
5
x
19. A (5, -4) and B(-7, -4)
Simplify.
19. (x – 1)(x + 2)
20. (x + 3)(x + 6)
21. (x – 3)(x – 8)
22. (x + 9)(x – 7)
23. (x + 1)(y – 5)
24. (x + 8)(y – 2)