A All nonnegative real numbers less than or equal to 35 B. All nonnegative integers C. All nonnegative real numbers less than or equal to 70 D All nonnegative real numbers 8. Mold on a piece of bread was initially measured at 0.5 square inches. The growth of the mold, in square inches, each day can be modeled by the equation f(x) = 2x +0.5. The mold will overtake the entire piece of bread in 1 week. Determine a reasonable domain for the context