1.5
3
-2
-1.5
2.5d represents the cost of entering the park.
2.5d represents the cost of purchasing d hot dogs.
2.5d represents the cost of purchasing d hamburgers.
3.5b represents the cost of entering the park.
(-5, 6)
(11,-5)
(10, 2)
(11,-2)
(c – 9) (c – 9)
(c + 9) (c – 9)
(c – 27) (c – 3)
(c + 27) (c – 3)
X=3
X=-3
Y=3
Y=-3
2
4
6
8
Johanna initially earns $48,000 per year.
Johanna initially earns $45,980 per year.
Johanna’s salary increases by 1.045% per year.
Johanna’s salary increases by 4.5% per year.
10
7
5
8
70
60
55
52
The rate of change is the same for both functions.
F(x) grows exponentially, and g(x) is constant
F(x) = g(x) + 0.25
Both functions grow exponentially
80, 160, 320
45, 50, 55
-80, 160, 320
-80, 160, -320
Y= -5/2x +1
Y=2/5x + 1
Y=5/2x - 1
Y=2/5x - 1
Y = 6x + 1
Y = 2x + 1
Y = 3x - 9
Y= 2x + 9
$10.80
$8.75
$6.50
$9.50
4 and -2
-4 and 2
6 and 2
8 and -1