Which represents the inverse of the function f(x) = 4x? O h(x) = x + 4
O h(x) = x - 4
• h(x) = 3/4x
h(x) = = 1/4x

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g