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

a cashier earns $7 an hour. if x is the number of hours worked, which function represents the cashiers earnings?\n$y = 7x$\n$y=x^{7}$\n$y=\frac{7}{x}$\n$y = 7$
Answer
Explanation:
Step1: Identify the relationship
Earnings = Hour - rate×Number of hours.
Step2: Substitute given values
The hour - rate is $7 and the number of hours is $x$. So the earnings $y = 7\times x=7x$.
Answer:
A. $y = 7x$