Find the vertex of each parabola. SEE EXAMPLE 1 16. y=-x2 + 6x + 30
17. y = 3x2 + 12x - 5
I
Find the vertex and y-intercept of the
quadratic function, and use them to graph the
function. SEE EXAMPLES 1 AND 2
18. y = -x2 + 6x – 8 19. y = x2 – 8x + 11
20. y = 3x2 + 18x + 10 21. y=-2x2 – 12x - 5
22. A rocket is launched into the air. The path of
the rocket is modeled by the equation
y=-10x2 + 160x – 100. What is the maximum
height reached by the rocket, in feet?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

Which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x