6.6 comparing linear and exponential functions (sequences) quiz

find the 4th term of the sequence defined by $a_n=2n-1$.

5
6
7
8

Question

6.6 comparing linear and exponential functions (sequences) quiz

find the 4th term of the sequence defined by $a_n=2n-1$.

5
6
7
8

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Function Evaluation", "Order of Operations" ], "new_concepts": [ "Arithmetic Sequences", "Explicit Formula" ], "current_concepts": [ "Function Evaluation", "Order of Operations", "Arithmetic Sequences", "Explicit Formula" ] } ## Identify the given formula and target term Using the *Function Evaluation* knowledge point $$ \begin{aligned} &a_n = 2n - 1\ &n = 4 \end{aligned} $$ ## Substitute the value of n into the formula Using the *Function Evaluation* knowledge point $$ a_4 = 2(4) - 1 $$ ## Calculate the final value Using the *Order of Operations* knowledge point $$ \begin{aligned} &a_4 = 8 - 1\ &a_4 = 7 \end{aligned} $$

5

6

7

8

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Arithmetic Sequences" ] }

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Identify the given formula and target term

Substitute the value of n into the formula

Calculate the final value

Answer: