a cashier earns $7 an hour. if x is the number of hours worked, which function represents the cashiers earnings?

$y = 7x$
$y = x^7$
$y = \frac{7}{x}$
$y = 7$

Question

a cashier earns $7 an hour. if x is the number of hours worked, which function represents the cashiers earnings?

$y = 7x$
$y = x^7$
$y = \frac{7}{x}$
$y = 7$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Direct Variation", "Linear Modeling" ], "new_concepts": [], "current_concepts": [ "Direct Variation", "Linear Modeling", "Linear Functions" ] } ## Identify the given values and variables $$ \begin{aligned} &\text{Hourly rate} = \$7\text{ per hour}\ &x = \text{number of hours worked}\ &y = \text{total earnings in dollars} \end{aligned} $$ ## Formulate the function representing earnings $$ y = 7 \cdot x = 7x $$

(A) $y = 7x$

(B) $y = x^7$

(C) $y = \frac{7}{x}$

(D) $y = 7$

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Linear Modeling" ] }

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Question

Explanation:

Identify the given values and variables

Formulate the function representing earnings

Answer: