Teaching DSSSB PGT Mock Test 2025 Mathematics Relations and Functions Composition of Functions

If f(x) = 2x + 7 and g(x) = x2 + 7, x ∈ R, then what are the values of x for which f ∘ g(x) = 25?

1
-1, 1
2
-2, 2
3
\(-\sqrt{2}, \sqrt{2}\)
4
None of the above
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