Brenda lit a candle when her attention and recorded how long it took the candle to burn down she displayed her data in the graph below what are the slope and the y-intercept of a graph

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%