
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given the line $l: y=kx+b$ passes through points $A(-1,2)$ and $B(2,5)$,   
(1) Find the equation of line $l$;   
(2) Determine the range of values for the variable $x$ such that line $l$ lies above the x-axis.

Present the answer in LaTex format: \boxed{Your answer}
user