Can someone help me please

What is the frequency of the sinusoidal graph?

Which graph represents the function g(x) = |x + 4| + 2?

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