Use the rules of significant figures to simplify the following expression 67.31-8.6+212.198

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0