What are the period and amplitude of the function?

A.) period: 4; amplitude: 3

B.) period: 4; amplitude: 2.5

C.) period: 5; amplitude: 3

D.) period: 5; amplitude: 2.5

If angle ywz = 17, what is angle wxy? ok so i'm confused on this because the triangles are congruent so that means they have the same measurement which would make wxy=17, but don't all triangles have total measures of 180 degress? ?me.

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)