Question

1) A^B means A raised to the power B. If f(x) = ax^4 – bx^2 + x + 5 and f(-3) = 2, then f(3) = ?

3
8
-2
1​

Answer 1

Ans is:8

f(-3)=2

2=a(-3)^4-b(-3)^2-3+5

2=81a-9b+2

81a-9b--->1

Then f(3)

81a-9b=81a-9b+3+5-->2

Solve the eq..we can get 8.....