Answer:
f(x)= -2^4=2*(-2)^2-1
=23
Step-by-step explanation:
Plug -2 in for x of f(x)
--> -2^4 + 2(-2)^2 - 1
---> 23
f(-2) = 23
2022 students
Since 18 out of 270 students speak three or more languages, a prediction would be 30,330 x 18/270 = 2,022 students
Answer: Did you mean to rewrite that
