Question g-x-11
If the given function is graphed in the xy-plane, where , what is the y-intercept of the graph?
g x = 11 1 12 x If the given function g is graphed in the
Medium-difficulty · SAT Math · Linear Equations in Two Variables — Intercepts and slope applications. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice A is correct. The x-coordinate of any y-intercept of a graph is . Substituting for in the given equation yields . Since any nonzero number raised to the power is , this gives , or . The y-intercept of the graph is, therefore, the point .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.
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