AnswersFL-1200700-Mathematics for College Algebra MISSolving Quadratic Equations: Quadratic Formula — Unit testQuestion 20
20
QuizMultiple Choice
Solving Quadratic Equations: Quadratic Formula — Unit test
Question 20 • FL-1200700-Mathematics for College Algebra MIS
The half life of a certain substance is about 4 hours. The graph shows the decay of a 50 gram sample of the substance that is measured every hour for 9 hours.
Answer
A
y = 25(0.15)tB
y = 25(0.85)tC
y = 50(0.15)tD
y = 50(0.85)t