andreahickman20
contestada

The minimum and maximum temperature for a day in Cupcake Town can be modeled by the equation below:

3|x − 8| + 15 = 18

What are the minimum and maximum temperatures for this day?

Respuesta :

texaschic101
3 |x - 8| + 15 = 18
3 |x - 8| = 3
|x - 8| = 1

x - 8 = 1               -(x - 8) = 1
x = 1 + 8              -x + 8 = 1
x = 9                    -x = 1 - 8
                            -x = -7
                             x = 7

minimum = 7, maximum = 9