(Q7) Solve the inequality graphically. 3^-x > 6^-x
2 answers:
Answer:
C
Step-by-step explanation:
We will graph and
and find <em>WHERE in the x-axis,
is greater than
.</em>
<em />
Attached is the graph of both the functions. RED color graph is of and BLUE color graph is of
.
So, <u>WHICH WHERE IN X-AXIS IS THE RED GRAPH "ABOVE" THE BLUE GRAPH?</u>
We can clearly see that this occurs when x > 0.
Hence, C is the correct answer.
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Here's my step-by-step explanation:
We're just gonna factor.
If your teacher has spoken of FOIL, then he/she has probably said that it means First Outer Inner Last and that it helps with distributing problems like these.
Right, so let's get to it.
Can you see the FOIL method being spread out here? Let's keep going.
Hope this helps, and let me know if I made a mistake! ^_^