Use the information in the table to answer each question. Interval Value of
f(x)
(−∞, −2)
Positive
(−2, 1)
Negative
(1, 3)
Negative
(3, ∞)
Positive
(a)
What are the three real zeros of the polynomial function f? (Enter your answers as a comma-separated list.)
x =

idk

step-by-step explanation:

answer: i literally just answered this question but they want me to do it again

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a