Vocabulary
A letter or symbol that represents a number.
Variable
What values cannot be repeated in a function?
x-values
Where the graph crosses the y-axis.
The y-intercept
f(-5)=10-x
15
A number that multiplies a variable (the number in front of the variable).
Coefficient
Average rate of change or steepness of a line.
Slope
What is the x-value at the y-intercept?
zero
f(2)=12x-2
22
What is the range of a function?
All y-values that work for a function.
All of the x-values included in a function.
The domain
A term for the process used to change input to output.
It is usually given as a formula but may be a graph or table.
The rule
Find average rate of change (2,4)(6,8)
1
f(x), g(x), and h(t) are also known as?
y, or the y-value
Where the graph crosses the x-axis
X-intercepts
Given the function f(x)=3x+1Find the average rate of change from x= -2 and x=4.
14/3
A clearly defined rule that converts an input into exactly one output.
A function.
What is the y-value at the x-intercept?
zero
Given the function f(x)=x-5, what is the average rate of change from x=6 and x=-1?
1