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).
Where is the picture I so i can anwser
Answer:
A(r)=15-3r
Step-by-step explanation:
switch the sign of +3r to make it -3r
first one is 40 and then 65 and then 65 again
