I can’t figure it out I need someone to answer this for me plzzz

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed