Find the value of x so that the function has the given value. 2(x) = 2x + 7; n(x) = 17
1 answer:
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According to the vertex and the directrix of the given parabola, the equation is:
The equation of a quadratic function, of vertex (h,k), is given by:
In which a is the leading coefficient.
The directrix is at y = k + 4a.
In this problem, the vertex is (1,4), hence:
The directrix is at y = 7, hence:
Hence, the equation is:
More can be learned about the equation of a parabola at brainly.com/question/26144898
Answer:
Step-by-step explanation:
we know that
The equation of the line into slope intercept form is equal to
where
m is the slope
b is the y-intercept
In this problem we have
substitute and solve for b
The equation of the line is equal to