MAT109U
MATEMATİK I
4. Ünite
Soru 1
Soru 2
ln(x2) – ln(4 e2 x) = -2. x = ?
Soru 3
ln(1 / (x – 1))2 ) = -4. x = ?
Soru 4
a = log2 5, b = log2 10. 2(a – b) log9 3 = ?
Soru 5
log29 . log58 . log925 = ?
Soru 6
Which power of 2 is between 500 and 600 ?
Soru 7
A bacteria population increases exponentially. At t = 0, its population is 50. At t = 1 hour, its population is 250. At t = 4 hours, what is its population ?
Soru 8
According to the Richter scale, earthquake magnitude 7.0 is how many times greater than 5.0 ?
Soru 9
What is the half-life of a radioactive substance if 90% of the initial amount remains at the end of 25 years ?
Soru 10
Evaluate the expression log216/ln2.
Soru 11
Soru 12
What is the solution of the equation ln(81x4)=20?
Soru 13
log52 . log43 . log95=?
Soru 14
Which power of 4 between 4000-4100?
Soru 15
Solve the exponential equation; 52x+3=1/25
Soru 16
What is one of the solution of the exponential equation e2x - 2ex -15=0
Soru 17
In a certain culture, the number of cells increases at a rate proportional to the number of cells present. If there are 150 cells present initially and 600 cells in one hour, find the number of cells in 4 hours?
Soru 18
There are 2 earthquakes are given below;
1st earthquake's magnitude is M=7.1 and the 2nd earthquake's magnitude is M=5.2 on the Richter scale.
How many times 1st earthquake has a magnitude greater than 2nd earthquake about?
( On the Richter scale, the magnitude M of an earthquake of intensity I is expressed by the formula: M = log10I.)
Soru 19
What is the half-life of a radioactive substance if 95% of the initial amount remains at the end of 10 years?
Soru 20
Which of the following is not an exponential function?