The answer is C.
A and B express y as a funtion of x.
You can solve each of for y with issues of having more than one y for each x-value you pick.
On E, if you solve for x, you get that "plus or minus" in front of a square root, so it is not a function of x.
Answer:
C
Step-by-step explanation:
it should end up looking like this
Answer:
48x-81
Step-by-step explanation:
18x+3(10x-27)
Then distribute
18x+30x-81
Combine like terms
Final Answer: 48x-81
Answer:
-4x^3 + 7y^3 + 5
Step-by-step explanation:
7y^3 - 7x^3 + 4 - 5 + 6 - 3x^3 + 6x^3 Given
7y^3 - 7x^3 - 3x^3 + 6x^3 + 4 - 5 + 6 Rearrange
7y^3 - 4x^3 + 5 Combine the like terms
or
-4x^3 + 7y^3 + 5 Answer
