SAT Math: Determining the Placement of a Horizontal Line that Intersects with a Function

The function for the graph above is y = x4 – 3x3 + x2 + 3x + 2.2. The intersection of this function and the line y = n has four real solutions. What is the value of n to the nearest whole number?

Product TypeSAT Math
SAT MathAlgebra and Functions
Passport to Advanced Math
Test PrepSAT Math