Khalil puts $50 in his piggy bank and adds $20 every month. a.Write the recursive form of the function that models the relationship between month and savings. b.Write the explicit form of the function. Make sure to define the variables. c.How much money will Khalil have in his savings account after 12 months? d.What is the domain for the function that models the relationship between months and savings?

A feed store charges $10 for a bale of hay plus a $15 delivery charge. The cost C of a load of hay is a function of the number x of bales purchased. Express this function verbally. The cost of a load of hay is $ plus $ per bale. Express this function symbolically. Express this function numerically. C 2 3 4

Construct a piecewise tax function where the tax is 5 % on the first  $15,000 of income, then 12 % on any income over $15,000.

A party planner needs to figure out how much it will cost her client to rent a space and pay person for meals. If the cost of the rental space is 40,000and the price per person for food is 500. Construct a function that shows the total cost for any number of people in attendance.

Write an equation for the function graphed below 5+ 4 3- 2 1+ -7 -6 -5 -4 -3 -2 -1 -1 1 23 4 6 7 -2 -3+ -4- -5+ y%3D 5.

Write an equation for the function graphed below 5 4 3 2 + + + + -7 -6 -5 -4 -3 -2 -1 -1 y= 13 -4 -5 + 1 + 3 4 5 6 7 Q

A company produces hats $8.50 per unit, plus a fixed operating cost of $2 200. The company sells the product for $19.50. Determine the profit function. State the range of the profit function.

Assume your salary is $25,000$⁢25,000 per year and $80$⁢80 for each computer you sell. What function represents your total pay for one year? Be sure to indicate any domain restrictions.

A verbal description of a function is given. Use a formula to express the function.Your new 60-inch plasma TV cost $2500, and you bought a new DVD player for $630. The accompanying surround-sound system cost $850. You paid $344 for a nice stand to accommodate the entire business. Since getting the nice home video system, you subscribed to a cable TV package, which includes many high-definition channels and costs $111 per month. Write a formula that gives the cost C, in dollars, of purchasing your home video system and paying for m months of cable service.

Write an equation for the function graphed below -7 -6 -5 -4 -3 -2 -1 y = 5+ 4+ 3 2- 1 -2+ -3+ -4+ -5 + 2 3 1 4 5 6 7 a