Exponential function - math word problems

Number of problems found: 82

  • 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?
  • You take
    exp_growth You take out Php 20 000 loan at 5% interest rate. If the interest is compounded annually, a. Give an exponential model for the situation b. How much Will you owe after 10 years?
  • Suppose 2
    exponentialFexsDecay 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?
  • 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 ?
  • Suppose 3
    penize Suppose that a couple invested Php 50 000 in an account when their child was born, to prepare for the child's college education. If the average interest rate is 4.4% compounded annually, a, Give an exponential model for the situation b, Will the money be
  • 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?
  • Two years
    exp_growth2 Roy deposited 50,000.00 into his account paying 4% annual interest compounded semi annually. How much is the interest after 2 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.

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