l l l l l l l l x y z Notes Over 3.5 Calculating the Value of a Variable Find the value of y for the given value of x.

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Presentation transcript:

l l l l l l l l x y z Notes Over 3.5 Calculating the Value of a Variable Find the value of y for the given value of x.

l l l l l l l l x y z Notes Over 3.5 Calculating the Value of a Variable Find the value of y for the given value of x.

l l l l l l l l x y z Notes Over 3.5 Calculating the Value of a Variable Find the value of y for the given value of x.

Notes Over 3.5 Evaluating a Function of Two Variables Write the linear equation as a function of x and y. Then evaluate the function for the given variables.

Notes Over 3.5 Evaluating a Function of Two Variables Write the linear equation as a function of x and y. Then evaluate the function for the given variables.

Notes Over 3.5 Evaluating a Function of Two Variables Write the linear equation as a function of x and y. Then evaluate the function for the given variables.

Notes Over 3.5 Evaluating a Function of Two Variables Write the linear equation as a function of x and y. Then evaluate the function for the given variables.

Notes Over 3.5 Modeling a Real-Life Situation 8. You are planting an apple orchard and decide to plant two types of trees: McIntosh and Red Delicious. The McIntosh trees cost $20.85 each and the Red Delicious cost $21.25 each. To plant the trees you need to buy a shovel which costs $30 and peat moss which costs $50. Write a model for the total amount you will spend as a function of the number of each type of tree. Evaluate the model for 25 McIntosh trees and 18 Red Delicious trees.

Notes Over 3.5 Modeling a Real-Life Situation 9. You are planning a cookout for the neighborhood and decide to serve hot dogs and hamburgers. The hot dogs cost $2.79 per pound and the hamburger cost $1.99 per pound. The condiments are $12. Write a model for the total amount you will spend as a function of the number of pounds of hot dogs and hamburger. Evaluate the model for 5 lb of hot dogs and 2.5 lb of hamburger.

Notes Over 3.5