Answer:
Input value/x = 9
Step-by-step explanation:
The output value means y and the input value means x.
So they've told us the output value y = 4.5
Sub this into the function they gave us to get x
y=x/2
4.5=x/2
9=x
square root of (x+2)^2 = x+2
square root of 4 = 2
so equation will now be x+2 =2
Answer: 0.70
Step-by-step explanation the same as decreased by 30%" would be (1.00 - 0.30)(original cost), or 0.70(original cost)
Answer:
5x - 35
Step-by-step explanation:
Apply the distributive property. That means to multiply the number on the outside of the perenthesis with each of the numbers inside the perenthesis.
