Profit-and-loss analysis. red tide is planning a new line
of skis. for the first year, the fixed costs for setting up
production are $45,000. the variable costs for producing
each pair of skis are estimated at $80, and the selling
price will be $450 per pair. it is projected that 3000 pairs
will sell the first year.
a) find and graph c(x), the total cost of producing
x pairs of skis.
b) find and graph r(x), the total revenue from the sale
of x pairs of skis. use the same axes as in part (a).
c) using the same axes as in part (a), find and graph
p(x), the total profit from the production and sale of
x pairs of skis.
d) what profit or loss will the company realize if the
expected sale of 3000 pairs occurs?
e) how many pairs must the company sell in order to
break even?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96