Answer: x4 - 7x + 9
Step-by-step explanation:
Hi, a trinomial is a polynomial with three terms.
Analyzing the options given:
a-3x3 = 1 term
b-4x - 1 = 2 terms
c-x4 - 7x + 9 = 3 terms
d-x3 + 2x2 - 5x + 3 = 4 terms
The correct option is polynomial c.
Since option c has 3 terms, it is a trinomial.
Feel free to ask for more if needed or if you did not understand something.
