Answer:
The vertex of the function is 
Step-by-step explanation:
Vertex of a quadratic function:
Suppose we have a quadratic function in the following format:
It's vertex is the point 
In which
Where
If a<0, the vertex is a maximum point, that is, the maximum value happens at 
, and it's value is 
.
f(x) = x² - X + 2.
Quadratic equation with 
So
The vertex of the function is
Answer:
C
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Rearrange 3x + 2y = 7 into this form
Subtract 3x from both sides
2y = - 3x + 7 ( divide all terms by 2 )
y = - 
x + 
← in slope- intercept form
with y- intercept c = → C
Angle = 36 degrees =
=
now, radius = 10 cm
so arc = radius x angle = 10 x pi/5 = 2pi = 6.28 cm
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