Modeling with Functions Practice and Problem Solving: A/B
Identify the dependent and independent variables in each situation.
    1.    The cost of a dozen eggs depends on the size of the eggs.
            dependent:     independent:
    2.     Ally works in a shop for $18 per hour.
            dependent:     independent:
    3.    5 pounds of apples costs $7.45.
            dependent:     independent:
For each situation, write a function as a standard equation
and in function notation.
    4.    Keesha will mow grass for $8 per hour.
            standard:         function:
    5.    Oranges are on sale for $1.59 per pound.
            standard:         function:
For each situation, identify the dependent and independent variables. Write a function in function notation, and use the function to solve the problem.
    6.    A plumber charges $70 per hour plus $40 for the call. What does he charge for 4 hours of work?
        dependent:     Solution:   
        independent:            
        function:            
    7.    A sanitation company charges $4 per bag for garbage pickup plus a $10 weekly fee. A restaurant has 14 bags of g garbage. What will the sanitation company charge the restaurant?
        dependent:     Solution:   
        independent:            
        function:            

Write a function for each situation. 
    8.    An electrician charges $60 per hour. How much does he charge for 6 hours?
        The depends on the .
        Independent variable:    
        Dependent variable:    
        Equation:         Function:
    9.    A drone costs $300 plus $25 for each set of extra propellers. What is the cost of a drone and 4 extra sets of propellers?
        The depends on the .
        Independent variable:    
        Dependent variable:    
        Equation:         Function:

Identify the independent (input) variable and the dependent (output) variable for each situation.
    10.    how much Sam earns when he makes $15 per hour
        The depends on the .
        Independent variable:    
        Dependent variable:    
    11.    the cost of a bunch of grapes at $1.19 per pound
        The depends on the .
        Independent variable:    
        Dependent variable: