3n at n=11
me im suck at maths

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =