Evaluating Functions

Function or Not

100

{(-3,3), (1,1), (0,-2), (1,-4), (5,-1)}

Not a function

200

{(-3,1), (0,-5), (4,7), (-3,0)}

Not a Function

300

{(3,7),(4,5),(9,9),(5,4)}

Yes, a function

400

{(1,2) ,(3,4), (5,6), (1,2)}

Yes, a function

500

{(-4,4),(3,4), (2,4), (5,4)}

Yes, is a function

Domain and range

100

{(-3,3), (1,1), (0,-2), (1,-4), (5,-1)}

What is the domain?

d: {-3, 0, 1, 5 }

200

{(-3,1), (0,-5), (4,7), (-3,0)}

What is the range?

r: {-5, 0,1,7}

300

{(3,7),(4,5),(9,9),(5,4)}

What is the domain?

d:{3,4,5,9}

400

{(1,2) ,(3,4), (5,6), (1,2)}

What is the range?

r: {2,4,6}

500

{(-4,4),(3,4), (2,4), (5,4)}

What is the range?

r: {4}

Function Notation

100

Evaluate f(x) = x + 5, when f(10)

x = 15

200

Evaluate f(x) = 3x - 2, when f(5)

x = 13

300

Evaluate f(x) = 2x - 6, when f(-10)

x = -26

400

Evaluate g(x) = x² + 5, when g(2)

x = 9

500

Evaluate g(x) = x² - 10, when g(-5)

x = 15

Functions for Life

100

Evaluate the value of a car after 5 years. V(t) = 20,000(0.82)^t.

The value of the car is $7414.80 after 5 years.

200

Evaluate the value of a car after 10 years. V(t) = 30,000(0.82)^t.

the value of the car is $4123.44 after 10 years.

300

Evaluate the value of a classic car after 5 years. V(t) = 20,000(1.08)^t.

The value of a classic car appreciates to $29,386.56 after 5 years.

400

Evaluate the value of a classic car after 10 years. V(t) = 20,000(1.08)^t.

The value of a classic car appreciates to $43,178.50 after 5 years.

500

How much will you have in your bank account in 30 years if you put $100 into it right now, with a 5% interest rate? B(t) = 100(1.05)^t

You will have $432.19.

Disney Trivia

100

What villain stole 99 dalmatian puppies to make a fur coat?

a) Ursula

b) Evil Queen

c) Cruella DeVil

d) Hades

c) Cruella DeVil

200

Which is NOT one of Scar's hyenas in The Lion King?

a)Banzai

b)Bobo

c) Shenzi

d) Ed

b) Bobo

300

What is the Ursula's necklace made from in The Little Mermaid?

a)Shell

b) Tooth

c) Diamond

d) Coral

a) Shell

400

How many dozen eggs does Gaston eat now that he's grown in Beauty and the Beast?

a) 4 dozen eggs

b) 5 dozen eggs

c) 6 dozen eggs

d) 7 dozen eggs

b) 5 dozen eggs

500

What symbol is imprinted on Dr. Facilier's hat in The Princess and the Frog?

a) Frog

b) Flower

c) Shadows

d)Skull and Bones

d) Skull and Bones