Answer: Union
i hope its not to late, and please mark me brainlest.
Answer:
C. 40-4x-12x^2
Step-by-step explanation:
very simple
? – (20 – 4x – 5x2) = 20 – 7x2, so ? = 20 – 7x2 + (20 – 4x – 5x2)
? = 20 – 7x2 + (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x
Answer:
non-linear: C, E, F
Step-by-step explanation:
Choices A, B, D are linear functions, so the rest are non-linear: C, E, F
(7)^2-4(5)(-6)=
49+120=169 is the answer
