Question

(Q7) Solve the inequality graphically. 3^-x > 6^-x

Answer 1

Answer:

C edge

Step-by-step explanation:

Answer 2

Answer:

C

Step-by-step explanation:

We will graph $3^{-x}$  and  $6^{-x}$  and find WHERE in the x-axis,  $3^{-x}$  is greater than  $6^{-x}$.

Attached is the graph of both the functions. RED color graph is of  $3^{-x}$  and BLUE color graph is of  $6^{-x}$.

So, WHICH WHERE IN X-AXIS IS THE RED GRAPH "ABOVE" THE BLUE GRAPH?

We can clearly see that this occurs when x > 0.

Hence, C is the correct answer.