Reflect the function f(x)=x^4 about the x-axis and translate it 3 units to the left to produce g(x). With shown work please. A. g(x)=-x^4+3

B. g(x)=-x^4-3

C. g(x)=-(x-3)^4

D. g(x)=-(x+3)^4

a - base

b - exponent

so,

ending amount = beginning amount / (2^n)

where "n" = number of half-lives (or elapsed time / half-life)

ending amount = 50 mg / (2 ^10 / 5.3)

ending amount = 50 mg / (2 ^ 1.8867924528)

ending amount = 50 m / 3.6981210597

ending amount = 13.5203794557 mg

or about 13.5 mg remain

source: