แผ่นงานAnalyzing exponential word problems
คำถามทั้งหมด: 11
Every time Pinocchio lies his nose grows 20%. The growth of his nose can be modeled by n(t)=2(1+.2)t . What was the length of his nose originally?
2
2.4
4.98
7.17
Scrooge invests in a bank account that pays him 4% interest annually. This can be modeled by p(t)=500(1.04)t . How much money did he place in the bank at the beginning of the account?
4
500
608
541
Jiminy Cricket is in the yard when it starts to rain. As more rain falls, Jiminy can't jump as far. This can be modeled by 3(21)t . How far away from the house was Jiminy when the rain began?
.75
1/2
3
1.5
Due to a severe drought, a population of lions is decreasing at a rate of 3.5% per year. This can be modeled by L(t)=80(1.035)t . How many lions were in the area when the drought started?
69
72
3.5
80
Rapunzel's hair grew 16% each week she was in the tower. If her hair was 20 inches long when she was placed in the tower, what is a model for the growth of Rapunzel's hair?
16(1+.20)w
16(1+20)w
20(1+.16)w
20(1+16)w
If Jack's Bean stalk grew 75% every hour and the bean stalk was 2 foot when he started watching it grow, what is a model for the growth of the bean stalk?
2(1+75)h
2(1+.75)h
75(1+2)h
7(1+.02)h
If the wolf blew down 36% of the little pig's house each time he puffed and blew, and the house started at 35 feet high, what is a model for how high the house is with each huff and puff?
36(1−35)p
36(1−.35)p
35(1−36)p
35(1−.36)p
Which is the same as 300(1−.17)t
300(1.17)t
300(.83)t
300(.93)t
Which is the same as 200(1−.76)t
200(.24)t
200(.34)t
200(1.76)t
Which is the same as 2050(1−.96)t
200(.04)t
200(.40)t
200(1.96)t
Which is the same as 50(1+.55)t
200(.55)t
200(1.55)t
200(0.45)t
แป้นคำตอบAnalyzing exponential word problems
คำถามทั้งหมด: 11
2
500
3
80
20(1+.16)w
2(1+.75)h
35(1−.36)p
300(.83)t
200(.24)t
200(.04)t
200(1.55)t