Which transformations can be used to carry abcd onto itself? check all that apply.

a. reflection across the line x = 3
b. reflection across the line y = 2
c. rotation of 90
d. translation two units down

image is above

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

What is the domain of the step function f(x)=[2x]-1?