Given the quadratic function f(x)=y=x^2+4x+1, do the following. A)Find the coordinates of the vertex
B)Find the x-intercepts using an algebraic method, write the answer using radicals do not use decimals.
C)Graph the function (using at least three points with integer coordinates).​

Shaba a

Step-by-step explanation:

angle q= 92 degree

step-by-step explanation:

the solution is in the picture

when a quadrilateral is inscribed in a circle, the opposite angles are supplement to each other. in other words, the sum of the 2 angle is 180 degree

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