1. You have a coupon for $50 off your camera purchase of $100 or more at zeke\'s
ID: 2896423 • Letter: 1
Question
1. You have a coupon for $50 off your camera purchase of $100 or more at zeke's camera world. Write a function relating the cameras purchase price after coupon y to the retail price x. Give the domain of this function. 2. An online retail offers a 40% discount on cameras. Write a function relating a cameras purchase price y to the retail price x. Give the domain of this function. 3. Graph the function from problems 1&2 using a scale of 25. 4. If you use the coupon in problem 1 what is the minimum price before taxes. 5. What is the point of intersection show calculations that support your observation.I know it's a lot but I'm having a hard time understanding. I appreciate any help. Thank you.
1. You have a coupon for $50 off your camera purchase of $100 or more at zeke's camera world. Write a function relating the cameras purchase price after coupon y to the retail price x. Give the domain of this function. 2. An online retail offers a 40% discount on cameras. Write a function relating a cameras purchase price y to the retail price x. Give the domain of this function. 3. Graph the function from problems 1&2 using a scale of 25. 4. If you use the coupon in problem 1 what is the minimum price before taxes. 5. What is the point of intersection show calculations that support your observation.
I know it's a lot but I'm having a hard time understanding. I appreciate any help. Thank you.
Write a function relating the cameras purchase price after coupon y to the retail price x. Give the domain of this function. 2. An online retail offers a 40% discount on cameras. Write a function relating a cameras purchase price y to the retail price x. Give the domain of this function. 3. Graph the function from problems 1&2 using a scale of 25. 4. If you use the coupon in problem 1 what is the minimum price before taxes. 5. What is the point of intersection show calculations that support your observation.
I know it's a lot but I'm having a hard time understanding. I appreciate any help. Thank you.
Explanation / Answer
1. write a function relating a camera's purchase price after coupon, y, to the retail price, x. give the domain of this function.
y=x-50 all real number.
y=x-50 => domain: x 100 ( $100 or more )
2. write a function relating a camer's purchase price, y, to the retail price, x
y = 0.6x as 40 % is discount so remaining price is 60%
Domain x>0
4.assume your Q is #1
y = x-50
then
y = 100-50 = 50 (min. because you have to purchase $100 or more.)
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