1.1a Intro to Functions Basics

1.1a Intro to Functions

Basics​

Multiple Choice

What is the Domain?

• {-3, -1, 1, 3, 5, 7, 9}
• {-3, -2, -1, 0, 1, 2, 3}
• -3 ≤ x ≤ 3
• -3 ≤ x ≤ 9

Multiple Choice

What is the input?

• 0, 4, 10, 12

• 1, 2, 4, 5, 10, 12

• 0, 4, 10, 4, 12

• 1, 2, 5

Multiple Choice

What is the range of the table?

• {-4, 0, 1, 3}

• {-2, 0, 2, 3}

• {-4, -2, 0, 1, 2, 3}

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

Multiple Choice

A coefficient is...

Una coeficiente es...

• The number that is multiplied by the variable in an algebraic expression

• The number that is multiplied by the first number in an algebraic expression

• The number that is added to the variable in an algebraic expression

• The number that is added to the the first number in an algebraic expression.

Multiple Choice

A constant is...

Un constante es...

• a value that changes.

• a value that is inconsistent.

• a value that is an inverse.

• a value that does not change.

Multiple Choice

What word is under the box?

Cual palabra es abajo de la caja?

• Factor

• Multiplier

• Number

• Coefficient

Multiple Select

Which among the following is a function?

• All of the above

Multiple Choice

Is this a function?

• Yes
• No

Multiple Choice

Is this a function?

• Yes
• No

Multiple Choice

Is this a function?

• Yes
• No

Multiple Choice

Is this table a function or not?

• Function

• Not a Function

Multiple Choice

Is this set of ordered pairs a function or not a function?

• Function

• Not a Function

Multiple Choice

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Multiple Choice

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Multiple Choice

What is f(6) for the function f(x)=3x-8

• -8

• 10

• -144

• answer not here

Multiple Choice

What is  $$f\left(0\right)$$   for the function $$f\left(x\right)=2x+3$$  

• 2x

• -3

• 3

• 10

Multiple Choice

f(x)=5x−12 What is f(−4)

• -32

• -3

• -12

• 3

Thank you for your attention!

​You have started your mathematics journey!

I am glad we are on this adventure together!​