If$\int _ { 0 } ^ { 1 } f ( x ) d x = 7 \text { and } \int _ { 0 } ^ { 3 } f ( x ) d x = 4 \text {, find the value of } \int _ { 1 } ^ { 3 } f ( x ) d x \text {. }$

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The Answer of If$\int _ { 0 } ^ { 1 } f ( x ) d x = 7 \text { and } \int _ { 0 } ^ { 3 } f ( x ) d x = 4 \text {, find the value of } \int _ { 1 } ^ { 3 } f ( x ) d x \text {. }$

If A)1
B)3
C)0
D) $- 3$ E) $- 1$ F) $- 2$

Definitions:

If A)1 B)3 C)0 D) −3- 3−3 E) −1- 1−1 F) −2- 2−2

Definitions:

If A)1
B)3
C)0
D) $- 3$ E) $- 1$ F) $- 2$