# Hard SAT Math Question 75 — Video Explanation | 1600.now

Source: https://1600.now/hard/75

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75

The function $f(x)$ is defined by $f(x) = 2^x$. The function $g$ is an increasing linear function. When graphed in the $xy$-plane, $f$ and $g$ intersect at points $(a,c)$ and $(b,d)$, with $c < d$. When $g(x) > f(x)$, which must be true?

A

$x < a$ or $x > b$

B

$a < x < b$

C

$x < a$

D

$x > b$