3.5 module 3 post-test

for the function $f(x) = 2x - 5$, what is the value of $f(4)$?

Question

3.5 module 3 post-test

for the function $f(x) = 2x - 5$, what is the value of $f(4)$?

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Function Evaluation", "Function Notation", "Input and Output" ], "new_concepts": [], "current_concepts": [ "Function Evaluation", "Function Notation", "Input and Output" ] } ## Identify the given function and input Using the *Function Notation* and *Input and Output* knowledge points $$ \begin{aligned} &f(x) = 2x - 5\ &\text{Input: } x = 4 \end{aligned} $$ ## Evaluate the function at the given input Using the *Function Evaluation* knowledge point $$ \begin{aligned} f(4) &= 2(4) - 5\ &= 8 - 5\ &= 3 \end{aligned} $$ 3 { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Algebra", "Function Evaluation" ] }

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Question

Explanation:

Identify the given function and input

Evaluate the function at the given input

Answer: