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Arm2005
Arm2005
04.12.2020 • 
Mathematics

Complex Algebra. Please Help 1. x4 – 3x2 + 2y – 1 is a polynomial of degree

A) 3
B) 2
C) 4
D) 5

2. For a given function ƒ(x), the translation ƒ(x – 2) + 3 means the function will shift

A) right 3 and upward 2.
B) left 3 and downward 2.
C) left 2 and downward –3.
D) right 2 and upward 3.

3. Which of the following describes the end behavior of the function ƒ(x) = x4 + 3x3 – 2x + 7?

A) As x → –∞, y → –∞ and as x → +∞, y → +∞
B) As x → –∞, y → –∞ and as x → +∞, y → –∞
C) As x → –∞, y → +∞ and as x → +∞, y → –∞
D) As x → –∞, y → +∞ and as x → +∞, y → +∞

4. Use Pascal's triangle to expand (x + 3)4.

A) x4 – 20x3 + 90x2 – 135x + 81

B) x4 – 12x3 + 54x2 – 108x + 81

C) x4 + 12x3 + 54x2 + 108x + 81

D) x4 + 20x3 + 90x2 + 135x + 81

5. Use Pascal's triangle to find the coefficient of the third term in the expansion of (a + b)2.

A) 2
B) 4
C) 1
D) 3

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