Unit Test — Unit test Answers

If and , what is the domain of ?

On a coordinate plane, a curved line with a maximum value of (negative 1, 2) crosses the x-axis at (negative 3, 0) and (1, 0), and crosses the y-axis at (0, 1.5).

The graph of the function f(x) is shown below.

The table represents the function f(x).

Which recursive formula can be used to generate the sequence shown, where f(1) = 9.6 and n > 1?9.6, –4.8, 2.4, –1.2, 0.6, ...

The graph represents a functional relationship.

The function h(t) = –16t2 + 28t + 500 represents the height of a rock t seconds after it is propelled by a slingshot.

If a(x) = 3x + 1 and , what is the domain of ?

A 2-column table with 6 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1. The second column is labeled f of x with entries 15, negative 5, 0, 5, 0, negative 5.

What is the inverse of the function f(x) = x – 12?

Which graph shows a set of ordered pairs that represent a function?

On a coordinate plane, a curved line crosses the y-axis at (0, 1), crosses the x-axis at (.25, 0), turns at point (2, negative 3), and crosses the x-axis (3.75, 0).

A 2-column table with 7 rows. The first column is labeled x with entries negative 6, negative 4, negative 2, 0, 2, 4, 6. The second column is labeled f of x with entries 8, 2, 0, negative 2, negative 1, 0, 4.

A sequence is defined by the recursive formula f(n + 1) = 1.5f(n). Which sequence could be generated using the formula?

Which set of ordered pairs represents a function?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is ?

Consider the function represented by the table.

If s(x) = 2 – x2 and t(x) = 3x, which value is equivalent to ?

On a coordinate plane, a curved line with a minimum value of (0, 1) and a maximum value of (negative 1.3, 2.2), crosses the x-axis at (negative 2.2, 0) and crosses the y-axis at (0, 1).

Which best describes the relationship between the successive terms in the sequence shown?2.4, –4.8, 9.6, –19.2