<span>If the relationship is x+4 then
f(5)=5+4
f(5)=9
as an example
</span>
Answer:
x-5y
Step-by-step explanation:
Answer:
1.03
Step-by-step explanation:
Price of phone * 1.03 = Price of phone + Sales tax
If you were to write it fully, as an equation, I believe it would look like this:
x²(4x-x) *4x
Therefore allowing you to simplify the area within the bracket into:
x²(3x)*4x
To expand, you simply start on the left and work your way across.
3x³*4x= 12x⁴