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Addition and Subtraction of Functions

Authored by Wayground Content

Mathematics

9th - 12th Grade

Used 8+ times

Addition and Subtraction of Functions
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the result of f(n) - g(n) if f(n) = n^2 + 1 and g(n) = 2n - 5?

n^2 - 2n + 6

n^2 + 2n - 4

n^2 - 3n + 5

n^2 + 3n - 6

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the value of (f - g)(x) if f(x) = 5x^2 + 3x and g(x) = 8x?

5x^2 - 5x

5x^2 + 5x

3x^2 - 8x

5x^2 - 3x

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the result of (f + g)(2) if f(x) = 4x and g(x) = 2x^2?

12

14

16

18

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does (f + g)(x) represent in function operations?

The product of functions f and g for any input x.

The difference between functions f and g for any input x.

The combined output of functions f and g for any input x.

The inverse of function f for any input x.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Define the term 'function' in mathematics.

A function is a relation that assigns exactly one output for each input from a set of inputs.

A function is a mathematical operation that combines two or more numbers.

A function is a graph that represents a set of data points.

A function is a type of equation that has no variables.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If g(x) = x^2 - 36x and m(x) = x + 2, what is (m - g)(x)?

-x^2 + 37x + 2

x^2 - 34x + 2

-x^2 + 34x + 2

x^2 + 36x + 2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate (f - g)(x) if f(x) = 3x^2 and g(x) = x + 1.

(f - g)(x) = 3x^2 - x - 1

(f - g)(x) = 3x^2 + x + 1

(f - g)(x) = 2x^2 - x - 1

(f - g)(x) = 3x^2 - x + 1

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