Suppose log7(10) = a and log7( 5) = b. Use the change-of-base formula along with properties of logarithms to rewrite each expression in terms of a and b.

In the geometric progression –3, 12, −48… what term is 3,072?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1