Answer:
This mapping isn't a function.
Step-by-step explanation:
A mapping specifies a relation between two sets of items (input and output). For example, a mapping of the form would map the input to output and map the input to output .
A function is a mapping where each input is associated with exactly one output.
Note that both and are in the mapping given in this question. The input is mapped to more than one outputs. Thus, this mapping isn't a function.
Need help myself not sure sorry
Yes
-7=4(-3)+5
-7=-12+5
-7=-7
-7=-3-4
-7=-7
Answer:
<h2>The height is 10 m</h2>
Step-by-step explanation:
Area of a trapezoid is given by
<h3>
</h3>
where
a and b are the bases
h is the height
From the question
A = 135 m²
a = 20m
b = 7 m
Substitute the values into the above formula and solve for the height
That's
<h3>
</h3>
<u>Divide both sides by 27</u>
That's
<h3>
</h3>
We have the final answer as
<h3>10 m</h3>
Hope this helps you