(b) Determine the value of x for which f(x) = −4? (f) Give the coordinates of ONE relative maximum and ONE relative minimum in the graph.

Maximum: _
___

Minimum: _

(g) Give ONE interval over which

Can someone me with this problem . show your work .

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as