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Nonlinear functions SAT question
Math · Advanced Math · Medium · Answer it here, explanation included.
In the xy-plane, the y-coordinate of the y-intercept of the graph of the function f is c. Which of the following must be equal to c ?
ExplanationShow
Choice A is correct. A y-intercept is the point in the xy-plane where the graph of the function crosses the y-axis, which is where 
. It’s given that the y-coordinate of the y-intercept of the graph of function f is c. It follows that the coordinate pair representing the y-intercept must be 
. Therefore, c must equal 
.
Choices B, C, and D are incorrect because 
, 
, and 
would represent the y-value of the coordinate where 
, 
, and 
, respectively.
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