Addition and Subtraction of Functions
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
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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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