Functions/Series

Practice Questions

GMAT Quantitative Reasoning › Functions/Series

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1

Define .

Evaluate $(f \circ g) (9)$ .

Statement 1:

Statement 2:

2

Define .

Evaluate $(f \circ g) (9)$ .

Statement 1:

Statement 2:

3

This relation has five different ordered pairs: is it a function?

$\begin{matrix} \underline{x}&\underline{y}\ 1& A\ 2& A\ 3& A\ B&A + 1 \ 5& A + 2 \end{matrix}$

Statement 1:

Statement 2:

4

This relation has five different ordered pairs: is it a function?

$\begin{matrix} \underline{x}&\underline{y}\ 1& A\ 2& A\ 3& A\ B&A + 1 \ 5& A + 2 \end{matrix}$

Statement 1:

Statement 2:

5

What is the first term of the geometric sequence?

Statement 1: The sum of the second and third terms is 90.

Statement 2: The sum of the third and fourth terms is 450.

6

What is the first term of the geometric sequence?

Statement 1: The sum of the second and third terms is 90.

Statement 2: The sum of the third and fourth terms is 450.

7

$f ^{-1} (A) = 40$

Evaluate .

Statement 1: The graph of includes the point .

Statement 2:

8

$f ^{-1} (A) = 40$

Evaluate .

Statement 1: The graph of includes the point .

Statement 2:

9

Given a function , it is known that:

Given a function , evaluate .

Statement 1:

Statement 2: is an odd function.

10

Given a function , it is known that:

Given a function , evaluate .

Statement 1:

Statement 2: is an odd function.

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