Functions Test Review

Front

Define common difference.

Back

The difference between two consecutive terms of an arithmetic sequence.

Front

Which sequence is NOT an arithmetic sequence? 12, 18, 24, 30,...; 10, 3, -4, -11,...; 2, 4, 8, 16,...; 16, 20, 24, 28,...

Back

2, 4, 8, 16,... is NOT an arithmetic sequence.

Front

Over which interval is the function decreasing? (0, 3); (13, 18); (3, 13); (.75, 2.5)

Back

The function is decreasing over the interval (3, 13).

Front

In how many intervals is this graph decreasing? 2; 3; 4; 5

Back

The graph is decreasing in 3 intervals.

Front

Find the Domain of the function.

Back

Front

What is an arithmetic sequence?

Back

A sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the formula for the nth term of an arithmetic sequence?

Back

Front

What is a geometric sequence?

Back

A sequence of numbers where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.

Front

What is the formula for the nth term of a geometric sequence?

Back

Front

Define domain in the context of functions.

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.