9. Two electrical resistors (one of variable resistance x and one with fixed resistance Ri) are put in pararallel into a circuit. The combined resistance, R, of those two resistors is given by the formula k = + Solve this equation for R. Your
answer will be a rational function in x and will include
the constant R . Determine the horizontal asymptote of this
function when Ri = 60000 ohms and then answer the question: As the resistance of x approaches infinity, what is the
combined resistance of the two resistors in parallel?
A) 1 ohms B) 30000 ohms C) 120000 ohms D) 60000 ohms E) 3600000000 ohms