ASAP HELP 20 POINTS 1. Use f(x) = x2 + 4x − 12 for the following:

a. Does the graph of our function open upward or downward? (5 pts)
b. Identify the coordinates for the vertex. (5 pts)
c. Identify the x-intercepts. (5 pts)
d. Identify the y-intercept. (5 pts)
e. Does the graph have a maximum or minimum? (5 pts)

2. The table models how the population of a city has changed over time. What does the y-intercept represent? (5 pts)

Years since 1985 Population
0 122,000
5 119,000
10 118,000
15 119,000
20 122,000
25 127,000
30 134,000
35 143,000
40 154,000

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?