S2 Week 10 - Writing Exponential Growth & Decay: Word Problems

Exponential Growth & Decay Word Problems #growth #decay #exponential #wordproblems #algebra #math

Questions 5

Answers

1
What is the formula we us for exponential growth/decay?
A = (1 ± r)t
X = (1 ± r)t
A = (1 + r)t
A = P(1 ± r)t
2
Word Problem:
y=30,000(1.05)x
y=30,000(5)x
y=30,000(15)x
y=30,000(1.5)x
3
Given the equation: y=400(1.042)^x; what is the GROWTH RATE?
42%
1.042
4.2%
400
4
Given the equation: y=1200(1.25)^x ; what is the GROWTH RATE?
1200
1.25
0.25%
25%
5
Word Problem:
y=400(0.71)6
y=400(0.29)6
y=400(29)x
y=400(1.29)6

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Explore/S2 Week 10 - Writing Exponential Growth & Decay: Word Problems

Exponential Growth & Decay Word Problems #growth #decay #exponential #wordproblems #algebra #math

Answers

1
What is the formula we us for exponential growth/decay?
A = (1 ± r)t
X = (1 ± r)t
A = (1 + r)t
A = P(1 ± r)t
2
Word Problem:
y=30,000(1.05)x
y=30,000(5)x
y=30,000(15)x
y=30,000(1.5)x
3
Given the equation: y=400(1.042)^x; what is the GROWTH RATE?
42%
1.042
4.2%
400
4
Given the equation: y=1200(1.25)^x ; what is the GROWTH RATE?
1200
1.25
0.25%
25%
5
Word Problem:
y=400(0.71)6
y=400(0.29)6
y=400(29)x
y=400(1.29)6