Geometric Sequences — Unit test Answers

Pherris is graphing the function f(x) = 2(3)x. He begins with the point (1, 6). Which could be the next point on his graph?

Which is the graph of the sequence defined by the function f(x) = 100(0.5)x - 1?

Which formula can be used to describe the sequence?

An exponential growth function has an asymptote of y = –3. Which might have occurred in the original function to permit the range to include negative numbers?

Which explains why the graphs of geometric sequences are a series of unconnected points rather than a smooth curve?

Tanisha is graphing the function f(x) = 25()x. She begins by plotting the point (1, 15). Which could be the next point she plots on the graph?

Which is the graph of the sequence defined by the function f(x + 1) = f(x) when the first term in the sequence is 375?

The function f(x) = 5 is reflected over the y-axis. Which equations represent the reflected function? Select two options.f(x) = f(x) = f(x) = 5f(x) = 5(5)xf(x) = 5(5)–x

Which function represents exponential growth?

Which function represents exponential decay?

Which is the graph of ?

An account is opened with $7,595.96 with a rate of increase of 2% per year. After 1 year, the bank account contains $7,746.90. Assuming no deposits or withdrawals are made, which equation can be used to find y, the amount of money in the account after x years? (Round money values to the nearest penny.)

Which is the graph of f(x) = 2(3)x?