Find the value of k that makes the following function continuous. Justify your answer.
f(x) = { x +3 if x < 1
-2x + k if x >/= 1
Graham's long-distance telephone plan includes the first 500 minutes per month in the $15.00 charge. For each minute after 500 minutes, Graham is charged $0.02. Write a function that describes Graham's total long-distance charge in terms of the number of long distance minutes he uses in a month.
+FULLrep for a process + explanation please =( Fuk dis shiz