Step-by-step explanation:
In this case the vertex is a maximum since it's in the shape of a hill not a valley. Vertex is (0,4)
Answer:Y=X^2-1
Step-by-step explanation:
The answer is -71 just simplify it
A=2(1+)a^2=2·(1+)·20^2≈1931.37085cm²
Answer:
16/25 as a decimal is 0.64
Step-by-step explanation: