You can find the slope by finding change in y over change in x, then solving for y intercept by plugging in the x and y values of an equation. Finally you just plot the points and connect them and find different coordinates along the graph
An exponential equation is represented as:
, where b represents rate
- Exponential growth:
,
and 
- Exponential decay:

- Neither:

An exponential equation is said to represent growth, if the rate is greater than 1, while it represents decay if the rate is less than 1.
This means that:
,
and
represent exponential growth because 5, 4.2 and 1.3 are greater than 1
Also,
represents exponential decay because 0.28 is less than 1
While
is not an exponential function
Read more about exponential functions at:
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Answer:

Step-by-step explanation:
#We use the base diagonal and the height diagonal to calculate the beam's height:

#The volume of the beam can then be calculated as:

Hence, the beam's volume is 
Answer: B?
Step-by-step explanation: