Jasmin Kenjar
College Math I
10.13.2015
Exercise 3.1
1.
2
y=0.022 x + 0.25
a.
7
y=0.022
b.
y=1.328 gb
2.
3. An extraneous solution to a radical equation is a solution that is false
when plugged in the equation.
4. 3|x|+ 6=9
-6
-6
3|x|=3
3
X = 1
3

Jasmin Kenjar
MA1210 College Mathematics I
Exercise 1.1
Algebraic Expressions and Real Numbers
School of Information Technology:
1.200x - 1400
200(20) - 1400 = 1600
2. 4.30 1010
3(a) We use scientific notations to write out large, confusing numbers in a s

Jasmin Kenjar
EXERCISE 4.1
1. Binary functions are an everyday situation in my field. Division of whole numbers
can be thought of as a function; if Z is the set of integers, N+ is the set of natural
numbers (except for zero), and Q is the set of rational