(3x^2+6x+-5x-7) subtract polynomial

2. 4x2 + 4 – 5x + x – 2x2 + 8 (1 point)

A. –2x2 + 4x + 12

B. –2x2 – 4x + 12

C. 2x2 + 4x + 12

D. 2x2 – 4x + 12

3. 2x2 + 6x – 7x + 8 – 3x2 + 1

A. 2x2 + x + 9

B. –2x2 – x – 9

C. –x2 – x + 9

D. x2 + 9

4. What are the coefficients in the polynomial 4x² + 3x – 3?

A. 4, –3, –3

B. 4, 3

C. 4, 3, 3

D. –4, –3

Add or subtract.

5. (m2 – m – 4) + (m – 5)

A. m^2 – 2m + 9

B. m^2 + 2m – 9

C. m^2 – 2m – 9

D. m^2 – 9

Add or subtract.

6. (7x2 – x – 2) – (–6x3 + 3)

A. 6x^3 + 7x^2 – x – 5

B. –6x^3 + 7x^2 – x + 1

C. –x^3 – x – 5

D. x^2– x + 1

7. Suppose you earned 8t – 3 dollars on Monday and 6t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer.

A. 2t + 2

B. 2t – 8

C. 14t + 2

D. 14t – 8

8. f7 ∙ f1

A. f^8

B. f^7

C. (2f)^8

D. (2f)^7

9. 100^12/100^8

A. 100^12/8

B. 100^96

C. 100^4

D. 100^20

10. x^11/x^4

A. x^7

B. x^15

C. x^44

D. x^11/4

Step-by-step explanation: