input i output

-4 → 1

0 → 2

2 → 7

7 → ↑

what is the range?

a. { 2,7}

b. {1, 2, 7}

c. { -4, 0, 2, 7}

d. {-4, 0, 1, 2, 7}

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

The subject option isn't available. the topic is earth science!suppose you are a city engineer whose job it is to explore how to use more renewable energy in your locality. 1. consider the resources in your city and select one of the following: - hydropower -solar power -wind power -geothermal power 2. prepare a pamphlet or multimedia presentation to convince a committee of citizens and local leaders that the renewable energy source you have selected is best for you locality. in your pamphlet or presentation include: - a discussion of the renewable energy source that is best for your town and why -a discussion of the advantages and disadvantages of this energy source -a discussion of why you think your city should use more of this energy source -how the use of renewable energy will impact your city -pictures and/or charts and tables to strengthen your arguments