<h2>
Explanation:</h2>
In this exercise, we have the following functions:
And they are defined for all real numbers x. So we have to write the following expressions:
First expression:
That is, we subtract s(x) from r(x):
Second expression:
That is, we get the product of s(x) and r(x):
Third expression:
Here we need to evaluate:
First of all, we find the sum of functions r(x) and s(x):
Finally, substituting x = -2:
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4(x + 2) = 96
Divide both sides by 4.
= 24
x + 2 = 24
Subtract 2 from both sides.
(x+2) - 2 = 24 - 2
x = 22
Hence, the value of x is 22.
Answer: its the second one
Step-by-step explanation:
Answer:
C. quadratic
Step-by-step explanation:
You can rightly guess that ballistic motion is described by a <em>quadratic</em> function.
Differences of the y-values are 5.75, 3.25, 0.75, -1.75, -4.25.
First differences are not constant, but form a linear sequence that decreases by 2.5 between each pair. Since second differences are constant, the function is described by a 2nd-degree polynomial function, a <em>quadratic</em>.
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<em>Comment on other function types</em>
Linear functions have constant first differences. Exponential functions have exponentially increasing first differences. Logarithmic functions have first differences that increase by smaller and smaller amounts.
Answer:
C. {2, 4, 5}
Step-by-step explanation:
We are given a function mapping.
The first diagram represents the domain and the second one represents the range.
The set of all range = {2, 4, 5}
Answer: C. {2, 4, 5}
Hope you will understand the concept.
Thank you.
