Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
-$$f ( x ) = 4 x ^ { 3 } + x ^ { 2 } - 12 x - 3$$
A) $- 4,1.8 , - 1.8$
B) $0.3,1.7 , - 1.7$
C) $- 0.3,1.7 , - 1.7$
D) $4,3 , - 3$

Question

Quizplus · Accepted Answer

The real zeros of the function $f(x) = 4x^3 + x^2 - 12x - 3$ are approximately $-0.3, 1.7, -1.7$ when calculated using a graphing calculator.

Use a Graphing Calculator to Approximate the Real Zeros f(x)=4x3+x2−12x−3f ( x ) = 4 x ^ { 3 } + x ^ { 2 } - 12 x - 3f(x)=4x3+x2−12x−3

Use a Graphing Calculator to Approximate the Real Zeros $f ( x ) = 4 x ^ { 3 } + x ^ { 2 } - 12 x - 3$