Exponential function - math problems

Number of problems found: 85

  • 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 Solve for x: (4^x):0,5=2/64.
  • Exponential equation
    exp In the set R solve the equation: ?
  • Exponential equation
    exp Determine the value of having y in the expression (3^y): (4^-1)=36. Unknown y is a natural number greater than zero.
  • Coordinate
    exp_ln Determine missing coordinate of the point M [x, 120] of the graph of the function f bv rule: y = 5x
  • 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?
  • Log
    log if ?, what is b?
  • 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
  • Exponential warm
    teplomer 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 jello salad with 30 degree
  • Logarithm
    log_hat Determine the number whose decimal logarithm is -3.8.
  • Sequence
    seq Calculate what member of the sequence specified by (5n-2+15) has value 20.
  • How much 2
    bank2 How much money would you need to deposit today at 5% annual interest compounded monthly to have $2000 in the account after 9 years?
  • If you 3
    bank2 If you deposit $4500 at 5% annual interest compound quarterly, how much money will be in the account after 10 years?
  • Interest
    MoneyHouse What is the annual interest rate on your account if we put 32790 and after 176 days received 33939.2?
  • Population
    population What is the population of the city with 3% annual growth, if in 10 years the city will have 60,000 residents?
  • Sequence - 5 members
    schody Write first five members of the sequence ?
  • Virus
    virus We have a virus that lives one hour. Every half hour produce two child viruses. What will be the living population of the virus after 3.5 hours?
  • Investment
    penize 1000$ is invested at 10% compound interest. What factor is the capital multiplied by each year? How much will be there after n=12 years?
  • Car value
    car_old The car loses value 15% every year. Determine a time (in years) when its price will halve.

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