SAT Math Practice Question #28475 - SATify | SATify

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SAT Math Practice Question #28475 - SATify | SATify

#28475

algebra

exponents

Calculus

medium

90 sec

Let $S$ be the sum of all positive real numbers $x$ for which $2 lo g_{2} x = 2^{x - 1}$ . Which of the following statements is true?

A.

$S < 2$

B.

$S = 2$

C.

$2 < S < 2$

D.

$2 \leq S < 6$

E.

$S \geq 6$