Answer:
cups of flour
Step-by-step explanation:
Substitute 1 in for m.

Simplify.

This is a quadratic equation, which is also a polynomial. Polynomials all have the domain (-infinity, +infinity).
As for the range: You can see from the graph that the smallest y-value is -2. Thus, the range is [-2, infinity).
B 9.2 in will be your answer for the test
1.6*100/0.95=168% 1.6 to 0.95
0.95*100/1.6=59% 0.95 to 1.6