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If the leading coefficient is greater than zero, the function has a minimum. If the leading coefficient is less than zero, the function has a maximum.
Find the y-value of the vertex.
Use the answer you found in Part B to determine the range.
Maximum
16
Domain: { t | 0 ≤ t ≤ 2 }
Range: {h | 0 ≤ h ≤ 16 }
Let's identify the values of a, b, and c for the given function written in standard form.
We know that the maximum value is the y-value of the vertex. The x-coordinate of the vertex is found using the following expression.
- b/2 a
To find the y-coordinate, we need to substitute 1 for t.
t= 1
1^a=1
Identity Property of Multiplication
Add terms
The vertex is (1,16). Hence, the maximum h-value is 16.
To determine the domain and range, let's look at graph of the rocket's behavior.
Here, than range is the set of all the potential h-values. Notice that the graph goes no higher than h=16 and no lower than h=0. Therefore, the range is all real numbers between these two values, inclusively.