The temperature started at 35°f. if the temperature went down 4°f and then up 2°f, whats is the temperature difference relative to the high temperature? a) -2°f b) -1°f c) 1°f d) 2°f
need asap

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%