PLEASE HELP Which of the following is a parent function?
O A. f(x)=3^x - x/3
O B. f(x) = 2^x
O C. f(x) = 1/2 3 ^x
O D. f(x) = -3X^3 +1

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle