Which statement best describes the function [tex]\( h(t) = 210 - 15t \)[/tex]?

A. [tex]\( h \)[/tex] is the function name; [tex]\( h(t) \)[/tex] is the input, or independent variable; and [tex]\( t \)[/tex] is the output, or dependent variable.
B. [tex]\( h \)[/tex] is the function name; [tex]\( t \)[/tex] is the input, or independent variable; and [tex]\( h(t) \)[/tex] is the output, or dependent variable.
C. [tex]\( t \)[/tex] is the function name; [tex]\( h(t) \)[/tex] is the input, or independent variable; and [tex]\( h \)[/tex] is the output, or dependent variable.
D. [tex]\( t \)[/tex] is the function name; [tex]\( h \)[/tex] is the input, or independent variable; and [tex]\( h(t) \)[/tex] is the output, or dependent variable.



Answer :

To determine which statement best describes the function [tex]\( h(t) = 210 - 15t \)[/tex], it's important to understand the roles of the elements in function notation.

Here’s a detailed explanation:

1. Function Name (h): In the notation [tex]\( h(t) \)[/tex], [tex]\( h \)[/tex] represents the function name. This is the formal way to denote that there is a rule or a relationship being defined.

2. Input (t): The variable inside the parentheses, in this case, [tex]\( t \)[/tex], is the input or independent variable. This is the value for which the function is being evaluated.

3. Output (h(t)): The entire expression [tex]\( h(t) \)[/tex] represents the output or dependent variable. This is the result of applying the function [tex]\( h \)[/tex] to the input [tex]\( t \)[/tex].

Now, let's analyze the given statements:

1. [tex]\( h \)[/tex] is the function name; [tex]\( h(t) \)[/tex] is the input, or independent variable; and [tex]\( t \)[/tex] is the output, or dependent variable.

This statement is incorrect because [tex]\( h(t) \)[/tex] is actually the output or dependent variable, not the input.

2. [tex]\( h \)[/tex] is the function name; [tex]\( t \)[/tex] is the input, or independent variable; and [tex]\( h(t) \)[/tex] is the output, or dependent variable.

This statement is correct. [tex]\( h \)[/tex] is indeed the function name, [tex]\( t \)[/tex] is the input or independent variable, and [tex]\( h(t) \)[/tex] is the output or dependent variable.

3. [tex]\( t \)[/tex] is the function name; [tex]\( h(t) \)[/tex] is the input, or independent variable; and [tex]\( h \)[/tex] is the output, or dependent variable.

This statement is incorrect because [tex]\( t \)[/tex] is not the function name; [tex]\( h(t) \)[/tex] is the output or dependent variable, not the input.

4. [tex]\( t \)[/tex] is the function name; [tex]\( h \)[/tex] is the input, or independent variable; and [tex]\( h(t) \)[/tex] is the output, or dependent variable.

This statement is incorrect because [tex]\( t \)[/tex] is not the function name; [tex]\( h \)[/tex] is not the input or independent variable.

Given these explanations, the correct statement is:

[tex]\( h \)[/tex] is the function name; [tex]\( t \)[/tex] is the input, or independent variable; and [tex]\( h(t) \)[/tex] is the output, or dependent variable.

This corresponds to the numerical result [tex]\( 2 \)[/tex].

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