<h3>
<u>Explanation</u></h3>
- How to see if a shown graph is function or not?
If we want to check that a graph is function or not, we have a way to check by doing these steps.
- Draw a vertical line, make sure that a line has to pass through or intercept a graph.
- See if a line intercepts a graph more than once.
If a line intercepts a graph only one point, a graph is indeed a function. Otherwise, not a function but a relation instead. That includes if a line intercepts more than a point which doesn't make a graph a function.
From the graph, if we follow these steps, we will see that a line will only pass or intercept the graph only one point. Hence, the graph is indeed a function. The following graph that is shown is called "Parabola" for a < 0.
<h3>
<u>Answer</u></h3>
The graph is a function.
For number 7 what is the formula for volume of a cube
The function of the trapezoid area is:
A(x)=(B+b)*h/2
Where B and b are the bases and h is the height.
With the given data: h=10 B and b =7 and x (it may vary which one is bigger)
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So that function becomes:
A(x)=(7+x)*10/2
A(x)=(7+x)*5
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So if you want the inverse function, you have to operate to find x:
A(x)/5=7+x
A(x)/5-7=x
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So the new function is:
x(A)=A/5-7
<span>The answer is powers of ten. A power of ten is 10 multiplied by itself the exponent number of times. For example, 10 = 10^1. 100 = 10 * 10 = 10^2. 1000 = 10 * 10 * 10 = 10^3. The number of zeros in the power of ten must match its exponent. For instance, 1000 has 3 zeros so the exponent is 3: 1000 = 10^3.Hope this helps. Let me know if you need additional help!</span>
the answer is The domain is all real numbers, and the range is all real numbers greater than or equal to –4.