Answer:
I need points
Step-by-step explanation:
I'm so so sorry
Answer:
6=a
7=b
9=b
Step-by-step explanation:
SOMEONE DELETED MY ANSWER AND IT WAS CORRECT ANY WAY SORRY I DONT KNOW ALL OF THEM
(6×1)+(1× 100 1 )left parenthesis, 6, times, 1, right parenthesis, plus, left parenthesis, 1, times, start fraction, 1, divide
GaryK [48]
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Well, notice, we can pretty much see the x-intercepts if we set f(x) = 0, clearly they're just 6 and -2,

now, this is a quadratic equation, since it only has 2 solutions at most, recall your fundamental theorem of algebra.
so, the vertex will be right in middle of those two x-intercepts.
what's between -2 and 6?, well is +2 or just 2, so
x = 2.
so we know the x-coordinate for the vertex is the halfway point of 2, what's the y-coordinate?
f(x) = y = (
2 - 6)(
2 + 2)
y = ( - 4)( 4 )
y = -16thus the vertex is at, well you already know.
she has 100
subtract 40 for renting the room
100-40 =60
now divide 60 by 12 to find number of people
60/12 = 5
she can invite 5 people