Q: The value substituted into an expression or function?

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The value that results from the substitution of a given input into an expression or function is the output. The value substituted into an expression or function is an input.

It is called the argument of the function.

Calculating the value of the expression when you have substituted numerical values for the variables.

When a given set of values for the variables are substituted in the expression the result is the value of the expression.

X2 Is an algebraic expression. X2 = 4 Is an equation that can be solved for X. The variable, X, in this case, has two values. In the expression any value can be substituted for X.

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The value that results from the substitution of a given input into an expression or function is the output. The value substituted into an expression or function is an input.

It is called the argument of the function.

Calculating the value of the expression when you have substituted numerical values for the variables.

When a given set of values for the variables are substituted in the expression the result is the value of the expression.

X2 Is an algebraic expression. X2 = 4 Is an equation that can be solved for X. The variable, X, in this case, has two values. In the expression any value can be substituted for X.

An output

Evaluation at x = <whatever value was substituted>.

To return the absolute, positive value of a numeric expression.

A function of x means that the answers depends on the value of x that is substituted into the function. For example: y = x + 1 If x = 1, y = 2 If x = 2, y = 3 and so on.

ANSWERIf a=b, then b can be substituted for a in any expression.

If the table defines the function f, then the answer is f(6).

The assertion is not true. Consider the function f(x) =|x - 3|, which is the distance of x from the point 3. The function is defined for all x but the absolute value is required.