You are correct there is no pattern
Answer:
x=i or no solution exists depending on the user's grade
Step-by-step explanation:
f(x) = 2x^2-5
-7 = 2x^2-5
-2 = 2x^2, x^2=-1, x=i
these are the answers is order:
10, 22, 57, 36, 42, 60, and 16,000.
Hope these helped! :D