Question

Dean and Tara are photographers. They take pictures of seniors for high school yearbooks. They charge a standard fee for taking the pictures.There also a charge for each set of prints ordered.So the number of sets of prints determines the total cost.



Let s stand for the set of prints ordered.Write the rule that describes a students total cost.



Print(s):0,1,2,3
Total cost :$20,$21,$22,$23

Answer 1

Your base cost (for only taking pictures) will be $20 because 0 prints =$20 dollars. So one print costs $21-$20=__

Answer 2

we can use \(y = mx + b\).
to find out m we can use \(\large \frac{y_2 - y_1}{x_2 - x_2}\). and then find out what b should be (which in this case it should be 20 because 0 sets of print equals to $20)

Answer 3

you would just need to find out what m is and then put it along with b (which you already know)

Answer 4

they sections called functions though??

Answer 5

so how could i use y=mx+b

Answer 6

y = mx + b <--- linear function
but you can try to figure out from a quadratic

Answer 7

so 20x+s

Answer 8

incorrect. you are only supposed to have one variable on the right side of the linear equation.

Answer 9

for example, a sample linear equation would be \(y = 6x + 3\)

Answer 10

on the right, you have only one variable x and two other integers (6 being the coefficient, or m, and 3 being the constant, or b)

Answer 11

did you figure out the slope (m) from the formula I gave you. you can use the two coordinates (0,20) and (1,21).

i will put the equation again:
\(\huge m = \frac{y_2 - y_1}{x_2-x_1}\)

Answer 12

yes i understand i just cant find the rule to my question

Answer 13

can you give this a try at least?

Answer 14

well the thing i am working on can only be answered once.

Answer 15

i am trying to give you the steps, but you are not following it

Answer 16

ok so i got 1 for ur equation \