Use this function to answer three following questions A quadratic function is defined by g(x) = (x+4)² + 7.

1. what is the vertex of the graph of function f?

2. does the vertex represent the minimum value or the maximum value of the function? one sentence explaining please

3. if you were to shift this graph 5 units down from where it is not, what would be the equation represented by the new graph

Describe all the numbers that when rounded to the nearest thousand are 645,000

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?