Answer:
-4y^3 + 4y^2 -6y + 25
Step-by-step explanation:
Combine like terms:
(-4y^3-5y+16)
+ (4y^2 - y +9)
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In this question, you're solving the expression by combining like terms.
Solve:
(-4y^3 - 5y + 16) + (4y^2 - y + 9)
<em>Combine like terms</em>
-4y^3 - 5y + 16 + 4y^2 - y + 9
-4y^3 +4y^2 - 6y + 25
You can't simplify it any further, so -4y^3 +4y^2 - 6y + 25 would be your answer.
D
Undefined.
When using the formula y2-y1/x2-x1, the result comes out as -4/0. Any number over a 0 is undefined.