Functions (general)

Complete the table of values for the function y=2x

• y values are (10,6,0,-6,-10)

• y values are (-5,-3,0,3,5)

• y values are (-10,-6,0,6,10)

• y values are (-10,7,0,6,10)

Function: y = 3x

If you input, x = 15, what is the output?

• 45

• 15

• 30

• 100

With the two coordinates (2,3) and (4,6), the x₁ is what number?

• 2

• 3

• 4

• 6

WHICH IS FALSE?

• There can be two or more outputs for one input

• Function Notation is when you

  replace

  y with f(x) OR g(x)

• Zero can never be the denominator

• Negative numbers can't go under a radical

Determine which rule best represents the expression the function machine used.

• Q + 9

• Q + 5

• Q × 5 - 11

• Q × 5 + 9

What does the word RULE mean?

• to put in
• a function table
• what you get out
• the pattern that is occuring

What is the missing value for y? .

• 8

• -2

• 2

• -8

What is the rule of this function?

• x + 5
• x - 5
• x ÷ 5
• 5x

Consider a light switch to be a function. What is the input?

• The color of the light switch

• The lights turning on or off

• Flipping the light switch

• The wires connecting the light switch to the light

Level 1 Find the missing OUTPUT value.

• -19

• 17

• 19

• 17