What point represents 3/4 x 1/2

What is the period of the sinusoidal function ?

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work