Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
The function y = function f of x, defined fornegative 1.5 is less than or equal to x is less than or equal to 1.5, is graphed above. For how many different values of x is function f of x = 0.2?
A. None
B. One
C. Two
D. Three
E. Four
The correct answer is E
Explanation
function f of x = 0.2 when the point (x comma 0.2) is on the graph of f. Drawing the line y = 0.2, as in the graph below, shows that the y value is equal to 0.2 for four values of xbetween negative 1.5 and 1.5.