Alocal window company charges 0.50 per window plus a base fee of $20 per appointment. they can wash a maximum of 200 windows per appointment. let c represent the total cost of an appointment and w represent the number of windows washed. using correct and formal function notation, write a function that represents total cost as a function of windows washed.
identify the practical domain of this function by filling in the blanks below. minimum windows washed ≤ w ≤ maximum windows washed
practical domain: ≤ w ≤
identify the practical range of this function by filling in the blanks below.
minimum cost ≤ c(w) ≤ maximum cost
practical range: ≤ c(w) ≤

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

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

Which answer choice is it? is it the first ,second,third or fourth giving 40 points for whoever answers correctly you