Use the function below to find f(4).
f(x)=5*(1/2)^x
, can you also explain how to get the answer?
choices are
a. (5/8)
b. (5/4)
c. (5/2)
d. (5/16)

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

In angle pqr find the measure of

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?