Exponential function - practice problems - page 2 of 9
Direction: Solve each problem carefully and show your solution in each item.Number of problems found: 165
- Calculate 3803
Calculate the value of y: 3^y = 0.333 - Determine 4104
Determine the value of x in this equation: (0.125^x) · 104 = 5000 - Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Half life
Determine the half-life of bismuth, when bismuth weight from the original weight of 32 g was only 2 grams in 242 minutes. - Quantities 60183
Determine the remaining quantities in the finite geometric sequence, given: n = 4, an = 12.5, sn = 187.5, a1 = ?, q =? - Equation: 3881
What is the solution of the equation: 2^x = 2/64 - A population
A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years. - Population
What is the city's population with 3% annual growth if, in 10 years, the city will have 60,000 residents? - A Petri
A Petri dish contains 35 cells. Every day, each cell in the Petri dish divides into 2 cells in a process called mitosis. How many cells are there after 14 days? - Maturity value
IKEA Furniture can purchase furniture with a three-year simple interest loan at 8% interest per year. What is the maturity value of a 3500 loan? - Suppose 2
Suppose that the half-life of a substance is 250 years. If there were initially 100 g of the substance, a. Give an exponential model for the situation b. How much will remain after 500 years? - Geometric progression
In geometric progression, a1 = 7, q = 5. Find the condition for n to sum first n members is sn≤217. - Demographics
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population? - Exponential 3858
Determine m (solve the exponential equation - unknown in the exponent): 0.25 μm = 0.5 - The city 3
The city has 22,000 residents. How long is it expected to have 25,000 residents if the average annual population growth is 1.4%? - Two years
Roy deposited 50,000.00 into his account, paying 4% annual interest compounded semi-annually. How much is the interest after two years? - Radioactive material
A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years? - Exponential equation
Determine the value of having y in the expression (3^y): (4-1)=36. Unknown y is a natural number greater than zero. - Inhabitants 81581
The number of inhabitants of the city decreased in 10 years from 72800 to 56000. What is the annual decrease in the population in percentage? - Subsets
How many are all subsets of set C = (97, 67, 66, 18, 59, 64)?
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