Identifying Functions 1
set of ordered pairs (x , y)
What is a relation?
How do you verbalize f(x)?
What is f of x?
What is slope?
What is a function?
What does f(x) replaces?
What is y?
b represents
What is y-intercept?
x-value of a function (input)
What is domain?
What is the domain of (2,3), (4,5) (6,2)
m = y2 - y1 / x2 - x1
What is slope of a line?
y-value of a function (output)
What is range?
Evaluate the function f(x) = x^2 + 2x - 3 if x = -2.
What is -3?
y = mx + b
What is Linear function?
{(0, 1), (1, 2), (1, 3), (2, 4), (3, 5), (4, 5)}
What is not a function?
Evaluate the function f(x) = x^2 + 2x - 3 if x =0
What is -3?
True/False: The graph of a linear function is a nonvertical line.
What is true?