Question 12 from SAT Digital Practice Test 1, Module 1, Section 2

This is the answer to question 12 from the SAT Digital Practice Test 1, Module 1, Section 2. The question is "The graph of y=f(x) is shown, where the function f is defined by f(x)=ax^3+bx^2+cx+d and a, b, c, and d are constants. For how many valued of x does f(x)=0?" This problem includes functions and finding the zeros of a function. Calculators ARE allowed on this section. This practice test is provided for free by the College Board. This video will show you how to do this problem and the logic behind it.

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