9a-ab+5b
9(2)-(2)(7)+5(7)
18-14+35
39
"Linear function" means the highest degree of any term is 1.
Equation 1: degree is 2
Equation 2: degree is 2
Equation 3: degree is 1 . . . . this is your linear function
Equation 4: degree is 4
Answer:
Step-by-step explanation:
1. your kinda doing the same thing
2. solving problems is somewhat like math
3. you solve problems in math
Answer: y = 6x + 400
slope = the increase in cost per extra plate
y-intercept = total cost