1+x x+1
5. Is the rational expression in simplest form?
UFO
A. Yes, because the numerator and the denominator are in simplest form of a
polynomial expression.
B. Yes, because the numerator and the denominator are both polynomial
expression.
C. No, because negative one can still be factored from either the numerator
or the denominator.
D. No, because the numerator and the denominator can still be divide out​

answer:

c. the third graph

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation:

overpriced

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