In 2012, a search engine's index contained 30 trillion web pages. The size of the index triples every year. Let f(t)be the number of web pages (in trillions) in the index at t years since 2012. a. Find an equation of f.
b. Predict the number of web pages the index will contain in 2017.

One integer is 8 times another. if the product is 72, then find the integers

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m