A.  ${\int }_a^{c}f\left(x\right)dx$ $={\int }_a^{b}f\left(x\right)dx+{\int }_b^{c}f\left(x\right)dx$

B.  ${\int }_a^{c}f\left(x\right)dx$ $={\int }_a^{b}f\left(x\right)dx-{\int }_b^{c}f\left(x\right)dx$

C.  ${\int }_a^{c}f\left(x\right)dx$ $={\int }_a^{b}f\left(x\right)dx+{\int }_a^{c}f\left(x\right)dx$

D.  ${\int }_a^{c}f\left(x\right)dx$ $=-c{\int }_a^{b}f\left(x\right)dx$

A. I = a/2

B. I = a

C. I = 2a/3

D. I = a/3

A.  ${\int }_a^{b}f\left(x\right)dx={\int }_b^{a}f\left(x\right)dx+{\int }_a^{c}f\left(x\right)dx$

B. ${\int }_a^{b}f\left(x\right)dx={\int }_a^{c}f\left(x\right)dx-{\int }_b^{c}f\left(x\right)dx$

C. ${\int }_a^{c}f\left(x\right)dx={\int }_b^{a}f\left(x\right)dx+{\int }_b^{c}f\left(x\right)dx$

D. ${\int }_a^{b}cf\left(x\right)dx=-c{\int }_b^{a}f\left(x\right)dx$

A. $\underset{\mathrm{a}}{\overset{\mathrm{b}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}=\underset{\mathrm{b}}{\overset{\mathrm{a}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}+\underset{\mathrm{a}}{\overset{\mathrm{c}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}$

B.  $\underset{\mathrm{a}}{\overset{\mathrm{b}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}=\underset{\mathrm{a}}{\overset{\mathrm{c}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}-\underset{\mathrm{b}}{\overset{\mathrm{c}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}$

C.  $\underset{\mathrm{a}}{\overset{\mathrm{c}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}=\underset{\mathrm{a}}{\overset{\mathrm{b}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}+\underset{\mathrm{b}}{\overset{\mathrm{c}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}$

D.  $\underset{\mathrm{a}}{\overset{\mathrm{b}}{\int }}\mathrm{cf}\left(\mathrm{x}\right)\mathrm{dx}=-\mathrm{c}\underset{\mathrm{b}}{\overset{\mathrm{a}}{\int }}\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}$

A.   $2613<f^2\left(8\right)<2614$

B.   $2618<f^2\left(8\right)<2619$

C.   $2614<f^2\left(8\right)<2615$

D.   $2616<f^2\left(8\right)<2617$

$\mathbf{A}\mathbf{.} 2613<{\mathrm{f}}^2\left(8\right)<2614.$

B.  $2614<{\mathrm{f}}^2\left(8\right)<2615.$

C.  $2618<{\mathrm{f}}^2\left(8\right)<2619.$

D.  $2616<{\mathrm{f}}^2\left(8\right)<2617.$

A. 1<f(5)<2

B. 4<f(5)<5

C. 2<f(5)<3

D. 3<f(5)<4