+166 The graphs of a function f(x)=3x+b and its inverse function f^-1(x) intersect at the point (-3,a). Given that b and a are both integers, what is the value of a?
Find the common ratio of the infinite geometric series:
5/6 - 4/9 + 32/135
If x, y, and z are positive real numbers satisfying:
log x - log y =a
log y - log z = 15
log z - log x = -7
where a is a real number, what is a?
