Question 8 of 20In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the cost of milk increase every year? (Points : 5)
$0.07
$0.25
$0.60
$14

Question

Question 8 of 20In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the cost of milk increase every year? (Points : 5)
       $0.07
       $0.25
       $0.60
       $14

gorv · Answer

for year 1
that is x=1
cost=y=0.25+3.5==3.75
for x=2
cost=y=0.25*2+3.5=0.50+3.5=4
increase per year=4-3.75

rissyroo118 · Answer

$0.25 right?

gorv · Answer

yeppp right

rissyroo118 · Answer

I can buy 56 diapers at Babies-R-Us for $28, and I can buy 112 diapers online for $52. Which is the better deal, and how much will you save per diaper? (Points : 5)
       Babies R Us by $0.04
       Online by $0.04
       Babies R Us by $0.15
       Online by $0.15