FUNCTIONS
Evaluate f(-2) when f(x)=3x + 5
f(-2)=-1
What is the domain of the following set of numbers?
(3,9) (4,7) (1,-2) (-4,-8)
{-4, 1, 3, 4}
What is the range of the following set of numbers?
(3,9) (4,7) (1,-2) (-4,-8)
{-8, -2, 7, 9}
When writing an equation in function notation, what do we replace the variable "y" with?
Answer: f(x)
Convert the following equation into slope-intercept form: 3x-5y=15
y=3/5x -3
Evaluate f(6) when f(x)=5x +1
What is the domain of the following set of numbers?
(6,-2) (-5,3) (0,7) (4,8)
{-5, 0, 4, 6}
What is the range of the following set of numbers?
(6,-2) (-5,3) (0,7) (4,8)
{-2, 3, 7, 8}
True or False: All functions are relations, but not all relations are functions.
True
What is the slope of the line with the equation:
5x - 3y= 15
Slope= 5/3
Evaluate f(3) when f(x)= -4x + 2
f(3)= -10
What is the domain of the following set of numbers?
(-10,22) (-5,18) (0,11) (5, 2)
{-10, -5, 0, 5}
What is the range of the following set of numbers?
(-10,22) (-5,18) (0,11) (5, 2)
{2, 11, 18, 22}
Horizontal
Zero Slope
Y= Equation
What value in the sequence would be plugged in for A1? 5, 20, 35, 50...
An = A1 + d(n+1)
A1= 5
Evaluate f(0) when f(x)=x + 500
f(0)= 500
Based on the Domain of the following points, would this relation be a function?
(3,8) (2, 8) (1,8) (0,8) (-1,8)
Yes it is a function, no value for "X" repeats
Which of the following is another term for Range?
A) "X"
B) Input
C) Domain
D) f(x)
D) f(x)
What doe VUX stand for?
Vertical
Undefined Slope
X= Equation
Describe the appropriate way to ask to go to the restroom in Coach Reeder's class.
Thumbs up
Evaluate f(-10) when f(x)=4x - 9
f(-10)=-49
The domain of any lineair function is:
A) All negative numbers
B) All real numbers
C) All positive numbers
D) zero
B) All real numbers
The range of any lineair function is:
A) All negative numbers
B) All positive numbers
C) All real numbers
D) zero
C) All real numbers
What is the common difference of the following sequence?
-10, -4, 2, 8....
d= 6
Describe the line with the equation x=3
It is a vertical line