An engineering technician makes $25 an hour for the first 40 hours she works during a week and $32 an hour for each hour over 40 hours. which piece wise equation models her total weekly pay y in dollars as in relates to the number of hours x that she has worked during the week

Step-by-step explanation:

Here, x represents the number of hours she worked and y represents the total pay in dollars for x hours,

∵ She earns $25 an hour for the first 40 hours,

i.e. y = 25x if x ≤ 40,

Hours can not be negative,

⇒ y = 25x if 0 ≤ x ≤ 40,

Also, she earns $32 an hour for each hour over 40 hours.

i.e. y = earning for 40 hours( with the rate of $ 25 per hour) + earning for each hours exceeded 40 hours ( with the rate of $ 32 per hour ),

Thus, if x > 40,

y = 25 × 40 + 32 × ( x - 40 )

⇒ y = 1000 + 32(x - 40)

Hence, the required piece wise function would be,

whats the

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