Application of DerivativeMedium
Question
A cubic polynomial f(x) = ax3 + bx2 + cx + d has a graph which is tangent to the x-axis at 2, has another x-intercept at -1, and has y-intercept at -2 as shown. The values of, a + b + c + d equals -
Options
A.-2
B.-1
C.0
D.1
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