The solutions of the equation f (x)=g(x) are-2 and1. If f and g are graphed on the same coordinate plane, which statement must be true?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days