What is the image point of (8,-1)(8,−1) after the transformation D_{4}\circ R_{180^{\circ}}?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4