A parabola goes through the points (-4, -1), (-2,-3), and (0, -1). Which description of the parabola is correct? F. The parabola opens upward and has its axis of symmetry at x = 0.
G. The parabola opens upward and has its axis of symmetry at x = -2.
H. The parabola opens downward and has its axis of symmetry at x = -2.
J. The parabola opens downward and has its axis of symmetry at x = 0.

Someone answer this asap for 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.