Answer:
f^-1 (x) = -21x + 7 is your answer
Answer:
-1/3
Step-by-step explanation:
y=mx+b where m=slope and b=y-intercept
Answer: 2w + 4 = 35
Step-by-step explanation:
Carl's two checked bags and his one backpack together weigh 35kg.
Carl's two checked bags have equal weight so both their weight can be denoted as 2w.
Equation is;
2w + 4 = 35
If you were to solve;
2w + 4 = 35
2w = 35 - 4
w = 31/2
w = 15.5kg
The first question is (7)