Find the Particular Solution of the Differential Equation $\frac{d y}{d x}=6 x^{2}-4 x+8 ; y=21$

Multiple Choice

Find the particular solution of the differential equation.
- $\frac{d y}{d x}=6 x^{2}-4 x+8 ; y=21$ when $x=1$

A) $y=2 x^{3}-2 x^{2}+8 x+13$
B) $y=2 x^{3}-2 x^{2}+8 x-13$
C) $y=6 x^{3}-4 x^{2}+8 x+11$
D) $y=2 x^{3}-4 x^{2}+8 x+15$