40 dollars they each spent 40 dollars from 70 dollars
Answer:
11z/4+3/10
Step-by-step explanation:
Distribute first then combine like terms.
Answer:
Step-by-step explanation:
we are given

Since, we have to find inverse of this function
step-1: we set f(x)=y

step-2: switch x and y

step-3: Solve for y

now, we can use quadratic formula


or
..............Answer