Exponential function - math word problems

Number of problems found: 75

  • Exponential equation
    exp In the set R solve the equation: ?
  • Exponential equation
    exp Find x, if 625 ^ x = 5 The equation is exponential because the unknown is in the exponential power of 625
  • Exponential equation
    exp_8 Solve for x: (4^x):0,5=2/64.
  • Coordinate
    exp_ln Determine missing coordinate of the point M [x, 120] of the graph of the function f bv rule: y = 5x
  • Exponential equation
    exp_8 Determine the value of having y in the expression (3^y): (4^-1)=36. Unknown y is a natural number greater than zero.
  • Log
    log if ?, what is b?
  • Logarithm
    log_hat Determine the number whose decimal logarithm is -3.8.
  • Sequence
    seq Calculate what member of the sequence specified by ? has value 86.
  • Subsets
    1venna_sets How many are all subsets of set ??
  • Sequence - 5 members
    schody Write first five members of the sequence ?
  • Interest
    MoneyHouse What is the annual interest rate on your account if we put 32790 and after 176 days received 33939.2?
  • Car value
    car_old The car loses value 15% every year. Determine a time (in years) when the price will be halved.
  • Population
    population_2 What is the population of the city with 3% annual growth, if in 10 years the city will have 60,000 residents?
  • Virus
    virus We have a virus that lives one hour. Every half hour produce two child viruses. What will be the living population of the virus after 3.5 hours?
  • Radioactive material
    radium A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years?
  • Geometric progression
    exp_1 In geometric progression, a1 = 7, q = 5. Find the condition for n to sum first n members is: sn≤217.
  • Demographics
    population The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase of population?
  • If you 3
    bank2 If you deposit $4500 at 5% annual interest compound quarterly, how much money will be in the account after 10 years?
  • Decibel
    tv_1 By what percentage does the sound intensity increase if the sound intensity level increases by 1 dB?
  • Investment
    penize_49 1000$ is invested at 10% compound interest. What factor is the capital multiplied by each year? How much will be there after n=12 years?

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