Answer:
The answer is 8
Step-by-step explanation:
if R is equal to 10, the you subtract 10-8 which is two and multiply by four.
Hi !

We need to prove that it is equal to

As per given options, Substitute <em>u</em> by <em>t</em><em>+</em><em>1</em><em> </em>

<em>Then</em><em> </em><em>given</em><em> </em><em>t</em><em> </em><em>=</em><em> </em><em>u</em><em>-</em><em>1</em>

Then substitue the third given value also

Therefore, it's <u>proved</u>
~<em>Hop</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em>
Answer:
I would choose B but I'm not sure.
Step-by-step explanation: