it would be convenient if you actually give us the equation
When b=0
f(x)=ax^2+c
test each
A. with x^2-1, A is false
B. with -x^2-1, B is false
C. cannot find contradiction
D. the axis is actually x=0, 0 is nithere positive nor negative, false
answer is C
Hello :
let : x = s so : y = x-1
all points is the line passe by : (1, 0) of the slope 1
See picture for rough graph
Answer
D) 40 square yards
Explanation
360 square feet is equivalent to 40 square yards
<em>hope this helps! have a great day :)</em>
