Curriculum
Course: General Mathematics — Second Secondary
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Curriculum

General Mathematics — Second Secondary

Quiz

The Exponential Function and Its Applications — Lesson quiz

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1.
If f(x) = 3^x, what is f(2)?
9
6
5
8
2.
Is f(x) = (1/3)^x increasing or decreasing?
Increasing
Decreasing
Constant
Increasing then decreasing
3.
A person deposits 2000 Egyptian pounds at 10% compound interest per year. What is the amount after 2 years?
2400 Egyptian pounds
2200 Egyptian pounds
2420 Egyptian pounds
2440 Egyptian pounds
4.
A substance has a half-life of 4 days and starts at 80 grams. How much remains after 8 days?
40 grams
10 grams
160 grams
20 grams
5.
The graph of f(x) = a^x passes through (3, 8). Find a.
2
3
8
4
6.
What is the range of f(x) = 5^x?
[0, ∞[
]0, ∞[
All real numbers
]−∞, 0[
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