Answer:
In economics, it is widely accepted that technology is the key driver of economic growth of countries, regions and cities. ... Technological progress allows for the more efficient production of more and better goods and services, which is what prosperity depends on.
i didn't know if you wanted the positive or negatives affects
Matrices always go row x column.
Count the rows: 4
Count the columns: 3
The matrix is a 4 x 3 matrix
Easey peasy
for
ax=0
assume x and/or y=0
we have
(3)(-4)(x)=0
since
3≠0
-4≠0
thefor
x=0
answer is D
