Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
Lesson 3: Sets of Real Numbers (Day 3 - Real World Situations)
Do Now: 1) Write an function to model the situation below.
2) Then solve the problem.
Jane spent $42 for shoes. This was $14 less than
twice what she spent for a blouse. How much
was the blouse?
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
1)
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
2) A store sells self-serve frozen yogurt sundaes. The function C(w)
represents the cost, in dollars, of a sundae weighing w ounces. An
appropriate domain for the function would be
(1) integers
(2) rational numbers
(3) nonnegative integers
(4) nonnegative rational numbers
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
3) If the function h(x) represents the number of full hours that it takes a
person to assemble x sets of tires in a factory, which would be an
appropriate domain for the function?
(1) the set of real numbers
(2) the set of negative integers
(3) the set of integers
(4) the set of non-negative integers
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
4) The function f(x) represents the number of words that Janet can type in
x minutes, what is the possible domain for the function?
(1) The set of integers
(2) The set of real numbers
(3) The set of non-negative integers
(4) The set of irrational numbers
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
5)
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
6)
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
Partner Practice
1) The function f(x) represents the time spent, in minutes, to complete a Math
homework assignment with x problems to solve. An appropriate domain for
the function would be:
(1) The set of integers
(2) The set of real numbers
(3) The set of non-negative integers
(4) The set of irrational numbers
2) A function g takes as an input a number of gallons of gasoline purchased
and outputs the price of that many gallons of gasoline. What is the domain
of this function?
(1) All real numbers greater than or equal to zero
(2) All real numbers
(3) All non-negative integers
(4) All real numbers greater than zero
Lesson 3 - Sets of Real Numbers (Day 3 - Real World Situations - Regents Questions)
4) The function f(c) represents the number of Girl Scout Cookies left in a cookie
box. c represents the number of cookies which are eaten after the box is
opened. Which of the following sets below represent the most reasonable
domain for this situation?