Name: ___________________________________ Date: _____________ MAT 1460- ____ Homework Section 2.4 Support your answer by showing your work. 1. Solve the inequality and graph the solution. ( ) ( ) 3. Solve the inequality | notation. | 2. Solve the inequality and write your solution in interval notation. . Graph the solution and write the solution in interval 4. For a company that manufactures thermostats, the combined cost for labor and material is $5 per thermostat. Fixed costs (costs incurred in a given period, regardless of output) are $60,000. So, the total cost equation is . If the selling price of a thermostat is $7, then the revenue equation is . How many thermostats must be sold for the company to earn a profit? Make sure to set up and solve the inequality. Write your answer as a complete sentence