Add. $59 +$77 + $461 +$7,954

Add or subtract.

$$3 x ^ { 3 } - 4 - x ^ { 3 } - 1$$

Add: $\frac{9}{x^{2}-81}-\frac{x}{x-9}$

Evaluate the integral of $\int_{0}^{\sqrt{2}} \frac{2 x^{7}}{\sqrt{x^{4}+1}} d x$ uzing integration by parts

Add.

$$\$2241 + \$915+ \$14,542$$

Add or subtract. 19.89 + 4.372

Why have the horizontal asymptotes occurred at y = 0 ? Do you think all rational functions will have a horizontal asymptote at y = 0 ? Explain your reasoning.

Add. -8+(-4)+12=

Add or subtract, as indicated. $\frac{1}{x+z}+\frac{1}{x-z}$

Add. $(-4x - 2) + (-5x - 1)$

Add.

$$\frac{1}{2}+\frac{3}{4}=$$

Add or subtract as indicated. 9-|-13|

Add or subtract. $\frac { 4 y } { x } - \frac { 5 y } { 2 x }$

Add. $- 4 \sqrt { 7 } - 5 \sqrt { 7 }$