Exponential function + expression of a variable from the formula - practice problems - last page
Number of problems found: 35
- Geometric progression
In geometric progression, a1 = 7, q = 5. Find the condition for n to sum first n members is sn≤217. - Exponential warm
Suppose that a body with temperature T1 is placed in surroundings with temperature T0 different from that of T1. The body will either cool or warm to temperature T(t) after time t, in minutes, where T(t)=T0 + (T1-T0)e^(-kt). If we placed jello salad at 30 - Increases 5807
7.18% of the wood mass increases in the forest every year. How many years will the timber double with a steady annual increase? - Calculate 5770
Calculate how long it will take the Šetrný family to repay the loan if, after the first year, they paid €1350 in interest and the loan's interest rate was 6% p.a. They will repay the loan to the bank for €3,000 each year, and the bank will only add intere
- Population 4485
The population is 22000 people. With an annual increase of 1.4%, there will be 25,000 people. How many years will it be? - Equation: 4386
Solve the power equation: 2.1463 = 0.4179x0.419 - Equation: 4197
Solve the equation: (4096^x) · 8! = 161280 - Determine 4104
Determine the value of x in this equation: (0.125^x) · 104 = 5000 - Expression: 4085
Determine the value of x and y in the expression: x! · 10^y = 0.0504.
- Equation: 3881
What is the solution of the equation: 2^x = 2/64 - Determine 3841
Determine the value of x: 2^x = (2^-3): 2 - Expression 3801
What is the value of x in the expression 8^x = 1/64 - Exponential equation
Find x, if 625^x = 5 The equation is exponential because the unknown is in the exponential power of 625 - The deposit
A deposit has been placed for one year at an annual rate of 4.5%. The amount rose to € 2,612.5 after one year. Find initial deposit.
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