Whats 1+1 because im having trouble

Which graph represents the following piecewise defined function?

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

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5