1. W RITING A F UNCTION R ULE :

4. W RITE A FUNCTION RULE FROM THE TABLE : xF(x) 1 20 31 42

5. W RITE A FUNCTION RULE FROM THE TABLE : xF(x) 1 20 31 42 Ask yourself, “What can I do to 1 to get to -1, 2 to get to 0….?

6. W RITE A FUNCTION RULE FROM THE TABLE : xF(x) 1 20 31 42 Ask yourself, “What can I do to 1 to get to -1, 2 to get to 0….? Subtract 2 from each input value.

7. W RITE A FUNCTION RULE FROM THE TABLE : xF(x) 1 20 31 42 Ask yourself, “What can I do to 1 to get to -1, 2 to get to 0….? Subtract 2 from each input value. So, f(x) equals x minus 2.

8. W RITE A FUNCTION RULE FROM THE TABLE : xF(x) 1 20 31 42 Ask yourself, “What can I do to 1 to get to -1, 2 to get to 0….? Subtract 2 from each input value. So, f(x) equals x minus 2. f(x) = x – 2

9. W RITE A FUNCTION RULE FROM THE TABLE : xf(x) -4-2 63 84 Ask yourself, “What can I do to -4 to get to -2?” to -2 to get to -1…?

10. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE :

11. Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point.

12. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense.

13. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow.

14. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income.

15. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense.

16. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense. At the breakeven point there is no profit, p(m) = 0

17. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense. At the breakeven point there is no profit, p(m) = 0 m = number of lawns mowed

18. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense. At the breakeven point there is no profit, p(m) = 0 m = number of lawns mowed p(m) = profit (profit is a function of m)

19. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense. At the breakeven point there is no profit, p(m) = 0 m = number of lawns mowed p(m) = profit (profit is a function of m) Your profit equals your income minus your expenses

20. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense. At the breakeven point there is no profit, p(m) = 0 m = number of lawns mowed p(m) = profit (profit is a function of m) Your profit equals your income minus your expenses Profit = 35 times the number of lawns mowed minus cost of the mower.

21. W RITE A FUNCTION RULE FROM A VERBAL EXPRESSION, AND SOLVE USING THE RULE : Your uncle Fred loaned you $210 to buy a lawn mower. You charge $35 to mow one lawn. Write the function rule for your profit. Determine the breakeven point. Profit is equal to income less the expense. Profit is the dependent variable since it depends on the number of lawns you mow. Therefore, the independent variable is the number of lawns mowed, and represents the income. The constant quantity is the cost of the lawn mower, and represents the expense. At the breakeven point there is no profit, p(m) = 0 m = number of lawns mowed p(m) = profit (profit is a function of m) Your profit equals your income minus your expenses Profit = 35 times the number of lawns mowed minus cost of the mower. p(m) = 35m – 210

22. T O FIND THE BREAK EVEN POINT, SET THE PROFIT EQUAL TO ZERO.

23. 0 = 35m – 210