Sillydork4545
18.07.2019 •
Mathematics
Question 2 of 25
2 points
what are the coordinates of the vertex of the parabola described by the
equation below?
y=-7(x-4)2-5
0
0
o a. (-4,5)
o b. (4,-5)
o c. (-5,-4)
od. (5,4)
0
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Ответ:
f(x)= 5x +1 -3
=5x -2
then
(f-g)(x)
(5x -2 - 4)(x)
( 5x -6)(x)
5x'2 -6x
x(5x-6)=0
x=0 or 5x =6
x=6/5