Which statement is true for all functions f(x)? A. The graph of f(x) + k is the graph of f(x) shifted left or right by | k | units
B. The graph of -f(x) is the graph f(x) reflected over the x-axis
C. The graph of f(kx) is the graph of f(x) shifted left or right by | k | units
D. The graph of -f(x) is the graph of f(x) reflected over the y-axis

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°