If f(x) = 4x + 5, which of these is the inverse of f(x)? A. f'(x) = x
O B. f'(X) = # -5
O c. f(x) = ***
OD. (%) = +5

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams