- An object is launched from a platform. The path of the object can be modelled by the equation h = -ť? + 5t + 10, where t, in seconds, is the time from the launch and h, in metres, is the height of the object from the ground. Find the difference in height between the object at its highest point and at the point from which it was thrown.

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.