truelove9288

10.10.2019 • 

Mathematics

The department of streets of a city has a budget of $1,962,800 for resurfacing roads and hiring additional workers this year. the cost of resurfacing a mile of 2-lane road is estimated at $84,000. the average starting salary of a worker in the department is $36,000 a year,

the city is planning to hire 6 new workers and to use its entire budget.

a. which equation should be used to find out how many miles of 2-lane roads it could resurface? explain your reasoning

b.find the number of miles of 2-lane roads the city could resurface if it hires 6 new workers.

Ответ:

perez120

18.05.2022

Mathematics

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39

Step-by-step explanation:

The rate of change is found by

f(x2) -f(x1)

x2 -x1

x2 is 3 and x1 is 1

f(3) = 3 x^3 +1 = 3(3)^3 +1 81+1 =82

f(1) = 3(1)^3 +1 = 3+1 =4

82 -4

3-1

78

2

39

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