Answer:
128 ×5=640 so 128 people so after 4weeks
42
Step-by-step explanation:
f(3)=2(3)^3-(3)^2-4(3)+9
f(3)=2(27)-(9)-12+9
f(3)=54-21+9
f(3)=33+9
f(3)=42
The correct answers are y=sec x, and y=csc x
ITs D