Is the relation a function?
Yes
(x’s don’t repeat)
Is the relation a function?
Yes
(x’s don’t repeat)
Is the relation a function?
No
(x’s repeat)
Is the relation a function?
No
(x’s repeat)
Is the graph a function?
Yes
(passes vertical line test)
Is the graph a function?
No
(does not pass vertical line test)
Is the graph a function?
No
(does not pass vertical line test)
Is the graph a function?
Yes
(passes the vertical line test)
If f(x) = 2x + 4,
Find f(2)
f(2) = 8
If f(x) = -x + 6; find f(-4).
f(-4) = 10
If g(x) = - ½ x + 5, find g(6).
g(6) = 2
If r(x) = 4x – 6, find r(-2).
r(-2) = -14
If f(x) = -2x - 5; find f(4).
f(4) = 13
If g(x) = 3x + 3 , find g(9).
g(9) = 6
If r(x) = -x + 5, find r(-1).
r(-1) = 6
1