# Exponential function - math word problems

#### Number of problems found: 82

- Exponential equation

In the set R solve the equation: ? - Exponential equation

Find x, if 625 ^ x = 5 The equation is exponential because the unknown is in the exponential power of 625 - Exponential equation

Solve for x: (4^x):0,5=2/64. - Coordinate

Determine missing coordinate of the point M [x, 120] of the graph of the function f bv rule: y = 5^{x} - 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. - Log

if ?, what is b? - You take

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

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

Determine the number whose decimal logarithm is -3.8. - Sequence

Calculate what member of the sequence specified by ? has value 86. - Subsets

How many are all subsets of set ?? - Sequence - 5 members

Write first five members of the sequence ? - Suppose 3

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

What is the annual interest rate on your account if we put 32790 and after 176 days received 33939.2? - Car value

The car loses value 15% every year. Determine a time (in years) when the price will be halved. - Population

What is the population of the city with 3% annual growth, if in 10 years the city will have 60,000 residents? - 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

A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years? - Two years

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

In geometric progression, a1 = 7, q = 5. Find the condition for n to sum first n members is: sn≤217.

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.