Is the dilation of -3/4 a contraction or an expansion?

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?

How does the graph of y = 3x compare to the graph of y = 3-x?