Exponential and Logarithmic Equations
Authored by Raul Erazo
Mathematics
9th - 12th Grade
Used 14+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the rate of growth of f(x)=200(1+0.3)x ?
0.3
1.3
-1.3
1
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Given f(x)=250(1-0.05)x , what does 250 represent?
The initial value
The slope
The common ratio
The common difference
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given f(x)=350(1-0.02)x , find x if f(x)=4200
125.4836
127.4836
129.4836
131.4836
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given f(x)=470(1+0.35)x , find f(x) if x=12.55
20313.59
20300.59
20326.59
20352.59
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
An adult person takes 400 mg of Ibuprofen after taking the second doses the coronavirus vaccine. Each hour, the amount of ibuprofen in the person´s system decreases exponentially by about 29%. Write an exponential function representing the situation.
f(x)=400(1-0.29)x
f(x)=400(0.29)x
f(x)=400(1+0.29)x
f(x)=1.29(400)x
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve for x: 27x = 81
x=4/3
x=3/4
x=-4/3
x=-3/4
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Solve: 82x-5 = 1/4
x=13/6
x=6/13
x=-13/6
x=-6/13
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