What is the grid coordinate (-7,9) if rotated -270 degrees around the origin PLEAS HEL

Find the equation using the point (4,8)

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?