Exponential function - math word problems - last page

Number of problems found: 191

Interest
What is the annual interest rate on your account if we put 43280 and after 198 days received 44293.9?
Interest
Calculate how much you earn for 8 years 17000 deposit if the interest rate is 1.2% and the interest period is a quarter.
Coordinate
Determine the unknown coordinate of the point M [x, 54] of the graph of the function f by rule: y = 3^x
Log
If log₄ x+ log₈ x = log_b x, what is b?
Crystal
The crystal grows every month at 1.2 permille of its mass. How many months does it take to develop from weight 177 g to 384 g?
Sequence
Calculate what member of the sequence specified by (5^n-2+15) has value 20.
Subsets
How many are all subsets of set C = (97, 67, 66, 18, 59, 64)?
Exponential equation
In the set R, solve the equation: 7^{-5 +19x}=4^{3 -20x}
Logarithm
Determine the number whose prirodzený logarithm is -3.1.
Demographics
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population?
Computer revolution
When we started playing with computers, the first processor, which I remember was the Intel 8080 from 1974, with the performance of 0.5 MIPS. Calculate how much percent of a year rose CPU performance when Intel 486DX from 1992 has 54 MIPS. What would

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