Functions Flashcards
1
Q
What is the restriction on the y-values of a function called?
A
The range.
2
Q
How you test if a function is even?
A
f(x) = f(-x)
3
Q
How do you test if a function is odd?
A
f(-x) = -f(x)
4
Q
What is the restriction on the x-values of a function called?
A
The domain.
5
Q
What does alpha^2 + beta^2 simplify to?
A
(a + B)^2 - 2aB
6
Q
How do you find the axis of symmetry of a parabola?
A
-b
x = ——
2a
