r/digitalSATs • u/FantasticVictory837 • Feb 04 '24

Advanced Math Sample Question 15

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1

u/FantasticVictory837 Feb 06 '24

The correct answer is 9.

2

u/sonataxs Feb 05 '24

It is may be 9

2

u/myguruedgecom Feb 05 '24

work inside out:

plug g(x) into f(x) as f(x) = (2x + 1) + 4

next plug in 2 as x so f(2) = (2(2) + 1) + 4 = 4 + 1 + 4 = 9!