What are the coordinates of the vertex of the graph? is it a maximum or minimum

Explain why the factor 1.5 is broke. into two numbers in the model.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.