For number 19:
"at least 150" means either 150 ≤ ? or ? ≥ 150
plus 3 so +3x
The answer would be 150 ≤ 100 + 3x
Number 20:
A is at -2.5. The inverse is the opposite so 2.5
Answer:
0
Step-by-step explanation:
Slope is calculated y2-y1/x2-x1
18-18/0-3
0/-3
0
1 solution. it can't be 2, and if you solve it, there is a solution, x stays in the equation, so there's 1 solution
The answer is Y= (x-2)^2-5