Is it a function?
What is the output?
What is the input?
What is the slope?
100
f(x) = 3/5x + 25
Yes, there is one output for every input
100
f(x) = 2x - 8; x = 6
f(6) = 4
100
30 = 6x + 6
x = 4
100
Find the slope between the points (3,4) & (7,10)
m = 3/4
200
No, it does not satisfy the vertical line test
200
g(t) = 4/3t + 20; t = 9
g(9) = 32
200
100 = 5x + 25
x = 15
200
Find the slope between the points (5,6) & (9,30)
m = 6
300
Points on a graph: (2,3) , (4,5) , (7,8) , (10,12)
Yes, for every input there is one output.
300
h(x) = 6x + 21; Find h(9/2)
h(9/2) = 48
300
3/5 = 2/5x + 2/5
x = 1/2
300
Find the slope between the points (6,5) & (8,4)
m = -1/2
400
No, there are two outputs for one input.
400
b(t) = 3/5t + 3/4; Find b(2)
b(2) = 39/20
400
7/10 = 2/3x + 1/4
m = 27/40
400
Find the slope between the points (-2,4) & (3,6)
m = 2/5
500
m(x) = x2 + 6x - 24; Find m(3)
m(3) = 3
500
-5/12 = 1/12x - 7/12
x = 2
500
Find the slope between the points (-4,9) & (5,-9)
m = -2