400 - 2 x Age = 244
-2*Age = -156
Age = 78 years
Answer:
4 i think
Step-by-step explanation:
<span>86.23 Should be the correct answer =)</span>
Consider, pls, this solution:
according to the equation y= -3x²+6x+2, where a=-3, b=6 and c=2, and the rule x₀= -b/(2a):
<u>x₀=</u>-6/(-6)<u>=1</u>.
For more info see the attached graph.