3.5 module 3 post-test

if $f(x) = 3x - 2$, what is $f(4)$ ?

$f(4) =$

Question

3.5 module 3 post-test

if $f(x) = 3x - 2$, what is $f(4)$ ?

$f(4) =$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Function Evaluation" ], "new_concepts": [], "current_concepts": [ "Function Evaluation" ] } ## Identify the given function and input Using the *Function Evaluation* knowledge point $$ \begin{aligned} &f(x) = 3x - 2\ &x = 4 \end{aligned} $$ ## Substitute the input value into the function Using the *Function Evaluation* knowledge point $$ f(4) = 3(4) - 2 $$ ## Simplify the expression Using the *Function Evaluation* knowledge point $$ \begin{aligned} &f(4) = 12 - 2\ &f(4) = 10 \end{aligned} $$ If $f(x) = 3x - 2$, what is $f(4)$ ? $f(4) =$ 10 { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Algebra", "Function Evaluation" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the given function and input

Substitute the input value into the function

Simplify the expression

Answer: