Question

What happens o the value of the expression 80 minus 2r as r decreses

Answer 1

As r approaches 0 the expression gets closer to 80

As r becomes negative, the expression gets larger

Explanation:

80-2r

As r approaches 0 the expression gets closer to 80

As r becomes negative, the expression gets larger

80 -2(- value)

80 +2*value this gets larger