Help please lol i don’t understand

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x