$DlREcT1ONS$ Identify the following if it is rational function, rational equation, rational inequality, rational expression or none of these. 1. $f\left(x\right)=\dfrac {\sqrt{2x} } {5x-4}$ $6.y=\dfrac {x} {2x-1}$ $2.$ $\dfrac {1-x} {x+7}=5$ $7$ $6$ $21\left(x\right)$ $3.$ $\dfrac {x} {4x-1}\leq 2$ 8. $x1$ $\dfrac {3\bar{x} 3+4x-7} {94x}$ $=\dfrac {3x^{2}+2} {x}$ 4. $x-3=y$ 9. 5. $f\left(x\right)=2x-1$ – $10.$ $\dfrac {1=x} {x+7}$ $=5$

$Di\pi ccions:$ Given the following expression, decide whether each is a rational function, a rational equation, a rational inequality or none of these. Write your answer on the space provided. $1.y=x^{2}+2x+1$ $2.f\left(x\right)=\dfrac {x^{2}+5} {2x1}$ $x-3$ $3\bar{x} $ $3.$ $\sqrt{x^{2-4}} =8$ $4.$ $5x+1$ $-$ $1-4\times $ $5.f\left(x\right)$ $=\dfrac {3-4x^{2}} {5x}$ $2+x-7$ $6.$ $\dfrac {9x-13} {2x+4}=\dfrac {5x} {x+1}$ $2+x$ $7.f\left(x\right)=-$ $\sqrt{} $ $x$ $3$ $-$ $3$ $4$ $3$ 8. $\dfrac {2+x} {2-x}\geq 1$ $9.f\left(x\right)=\dfrac {2x^{3}+5x-4} {x-3}$ $10.$ $\dfrac {2x-2} {x+4}=7$

Which of the following rational numbers are equivalent? $0Ptionsy$ A \frac{5}{6}, \frac{30}{36} B $s\sqrt{rac\left(} -2\right)\left(3\right)\sqrt{1rac} \sqrt{4\right)16\right)4} $ C $s\sqrt{11aC\left(} -4\right)1-7b,\sqrt{1rac\left(16\sqrt{35\right)9} } $ D \frac{1}{2},\frac{3}{8}