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2 cards from this section. Quick, good the night before a test.
What is the general form of an exponential function?
Focus on the terms of the formula.
If a population of rabbits is 500 and grows by 2% annually, what would be its population in one year?
Use the growth formula y = a(1 + r)^t.
What is the base in the exponential function y = 2^x?
Look for the number directly under the exponent.
True or False: Exponential decay occurs when the base 'b' of the function y = a * b^x is greater than 1.
Remember the growth and decay conditions of the base 'b'.
A population of 2,000 turtles decreases by 10% each year. What will be the turtle population after 6 years?
Apply the decay formula over time accurately.
A bank offers a savings account with a 6% interest rate compounded quarterly. If you deposit $2,000, how much will you have after 5 years?
Watch for quarterly compounding; adjust your growth formula.
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