Solve each inequality. Graph and check your solutions.
To Solve: The inequality
Answer to Problem 10P
Explanation of Solution
Given information: It is given the inequality
Calculation:
Let’s use different properties of inequality to solve.
Subtract both sides 4
It could be written as
Graph:
It is graphed using number line
Interpretation: Here the variable ‘ f ” takes all real numbers which are 4 or more.
Check:
Let’s check by taking one number in the solution interval. Let’s take 6.
Plug in f as 6 into the inequality and check.
Simplify it.
It gives a true equation when we plug in f as 6. So, the solution region is correct!
Chapter 3 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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