What is an onto function?

Every output is used by at least one input.

What is the definition of a one-to-one function?

Every output has a unique input.

A rule that assigns each input to exactly one output.

Which of the following is true for an odd function

Its graph is symmetric about the origin.

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matematik functions quiz

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Answers

1
What is the definition of an odd function?
f(x) = 0
f(-x) = -f(x)
f(x) = x
A: f(-x) = f(x)
2
What is an onto function?
The function is not defined.
Every input has the same output.
Every output is used by at least one input.
Inputs and outputs are the same.
3
What is the definition of a one-to-one function?
The graph forms a horizontal line.
Every input has multiple outputs.
Every output has a unique input.
Every input has the same output.
4
Which of the following is NOT an into function?
f(x) = x² (for x in all real numbers)
f(x) = 2x
f(x) = x³
f(x) = |x|
5
f(x) = 3x - 4 is an onto function
False
True
6
If f(x) = x², is it an odd or even function?
Odd
Neiter
Both
Even
7
Which of the following is a one-to-one function?
f(x) = 2x
f(x) = x²
f(x) = x + x
f(x) = |x|
8
What is a function?
A rule where one input can have no outputs.
A rule that assigns each input to exactly one output.
A relationship where every input has more than one output.
A process that randomly assigns inputs to multiple outputs.
9
Jamal's Uber fare to his local kindergarten is f(x)=100+27x. If the fare is 262$, how far is the local school? (x=km)
6km
5.5km
8.5km
16km
10
f(x) = ({1,2}, {2,3}, {3,5}) g(x)= ({1,3},{3,4}) f(x) + g(x) = ?
{1,2}, {2,3}
{3,7}
{1,3} , {3,9}
{1,5} , {3,9}
11
Which subject is most common subject in an AP Calculus Exam
Trigonometry
Geometry
Algebra
Functions
12
What is the equation of a linear function?
f(x) = a+b
f(x) = a+bx²
f(x) =ax+bx
f(x) = ax+b
13
Which of the following is true for an odd function
Its graph is symmetric about the x-axis.
Its graph is symmetric about the y-axis.
Its graph is periodic
Its graph is symmetric about the origin.
14
Which of the following is an example of an onto function?
|x|, codomain: ℝ⁺
x³, codomain: ℝ
1/x codomain R
f(x) = x², codomain: ℝ

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