Simplify the following and match it with the correct answer. If f(x)=2x+4 and g(x)=3x−7, find (f(x)+g(x)): Answer
If f(x)=−4x2−10 and g(x)=5x2−2x−3, find (f+g)(x): Answer
If f(x)=6x2−3x+5 and g(x)=4x2+5x−8, find (g−f)(x): Answer

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