For your next print mail campaign, you learn that the cost to print 5,000 postcards is $4,800 and cost to print 15,000 is
$5,500. What is the marginal (extra) cost per postcard for the additional 10,000?
a) $0.05
b) $0.07
C) $0.09
d) $0.11
HELP ASAP

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Which graph represents the equation y =4x

Which of the following will form the composite function?