Free SAT Test Questions

Question 1 of 1
Section: Math - Passport to Advanced Math
Topic: Functions
Difficulty level: Hard

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Which of the following is NOT true about the function $f(x)=10-4x-x^2$? (Without calculator)

AThe minimum value of the function is $-\infty$
B$f(x-2)$ is symmetrical with respect to $y$-axis
CThe maximum value of the function is 14
D$x=2$ will not be in the range of this function

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