Find the Definite Integral by Computing an Area $$\int _ { 0 } ^ { 8 } ( k x + 3 ) d x ; k \geq 0$$

Multiple Choice

Find the definite integral by computing an area.
- $$\int _ { 0 } ^ { 8 } ( k x + 3 ) d x ; k \geq 0$$

A) $32 k + 24$
B) $16 k - 24$
C) $64 k + 24$
D) $16 \mathrm { k } + 24$