Blog

Find the appropriate linear cost or revenue function.An electrician charges a fee of $50 plus $35 per hour. Let C(x) be the cost in dollars of using the electrician for x hours. Find the linear cost function.

The steps in the formation of metamorphic rocks are listed below in an incorrect order. 1. Rock is subjected to extreme changes in heat.2. Rock’s internal arrangement of atoms changes.3. Rock is subjected to extreme changes in pressure.4. Rocks with new properties are created. Which of these best shows the correct order of steps in the formation of metamorphic rocks? (4 points)

A coal mine has been set up in a location. Thus far, it has benefitted the people by increasing employment opportunities in the area. Predict the most likely outcome the coal mine will have on the environment? (4 points)

One location in the United States is facing unemployment problems. A student designs an activity to find out whether mining of minerals in the location would be economically feasible. The student calculates the costs and earnings listed below. A: Cost of land for miningB: Cost of equipmentC: Cost of laborD: Miscellaneous costs related to miningE: Cost of reclamationF: Earnings from selling the resulting mineral Which of these is a correct conclusion about the solution to the problem of unemployment in the location? (4 points)

An island is facing food shortage because its land has become barren due to phosphate mining. A group of people suggested that the island’s crisis could be solved by importing high quality soil to start agriculture. Which of these is the most likely drawback of the plan suggested by the group of people? (4 points)

Evaluate the function.Find f(k) when: f(x) = 3×2 + 4x + 5

Find the appropriate linear cost or revenue function.A cable TV company charges $26 for the basic service plus $6 for each movie channel. Let C(x) be the total cost in dollars of subscribing to cable TV, using x movie channels. Find the linear cost function.

The residents of a specific location identified and reported a high quality iron ore under the ground in their area. Which of these is the most reliable method to verify the information provided by the residents of the location? (4 points)

A mining company plans to improve the infrastructure in a location to start mining activities. The company calculated the costs and earnings listed below to find out if mining would be economically feasible in the location. A: Cost of land for miningB: Cost of equipmentC: Cost of laborD: Miscellaneous costs related to miningE: Cost of reclamationF: Earnings from selling the resulting mineral How can the mining company best decide whether mining activities in the location would be economically feasible? (4 points)

What can be concluded about the broken mineral in the image? (2 points) Public Domain