# Exponential function - practice problems

Direction: Solve each problem carefully and show your solution in each item.#### Number of problems found: 149

- Logarithm

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

If log_{4}x+ log_{8}x = log_b x, what is b? - Sequence - 5 members

Write the first five members of the sequence a_n =(3n - (-1)^n) +2 - Exponential equation

In the set R, solve the equation: 7^{ -5 +19x}=4^{ 3 -20x} - Expression 3801

What is the value of x in the expression 8^x = 1/64 - Determine 3861

Determine the value of f: 0.49^f = 0.7 - Coordinate

Determine the missing coordinate of the point M [x, $y] of the graph of the function f by rule: y = $b^{x} - Sequence

Calculate what member of the sequence specified by (5^{n-2}+15) has value 20. - Sequence 5535

Find the value of the third member of the sequence if the sequence is given by: 3^n + 93. - In 1970

In 1970 the population was 24,000. In 1980 the population was 28,800. By what percent did the population increase? - Expression: 4085

Determine the value of x and y in the expression: x! · 10^y = 0.0504. - Simplify logarithm expr

Given that logxU + logxV =p and logxU - logxV =q Prove that U=x^½(p+q) - Coordinates 21553

I have to calculate the basis of the exponential function f: A on x. The function passes through point A with coordinates (-2, twenty-five quarters). - Equation: 4386

Solve the power equation: 2.1463 = 0.4179x^{0.419} - Equation: 4197

Solve the equation: (4096^x) · 8! = 161280 - Double of principal

How long will it take for the principal to double at 12.25% annual interest? - Exponential equation

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

We have a virus that lives one hour. Every half hour produces two child viruses. What will be the living population of the virus after 3.5 hours? - Determine 3841

Determine the value of x: 2^x = (2^-3): 2 - Calculate 3803

Calculate the value of y: 3^y = 0.333

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