Answer:
A function defines one variable in terms of another. The statement "y is a function of x" (denoted y = y(x)) means that y varies according to whatever value x takes on. Knowing that one variable somehow changes with another is a starting point.
Step-by-step explanation:
1.
A graph of linear function is a straight line.
Linear function in a slope-intercept form: y = mx + b
Answer: Equation 3: y = 12x + 17.2.
x|-1 | 0 | 1 | ? |
y| 4 | 7 |10| ? |
a slope:

We choose:

subtitute:

a slope-intercept form:

subtitute:

subtitute x = 2 to the equation (*):
Answer: (2, 13)3.
(-2; 7), (-5; 4)
the slope:


check other:

The conclusion: It's a linear function
Answer: It is a linear function because there is a constant rate of change in both the input and output values. 4.
y = 3x + 5 /look at the picture/
Answer: It is a linear function because its graph contains the points (0, 5), (1, 8), (2, 11), which are on a straight line.
check:
Answer:
Step-by-step explanation:
Given : Statement.
To find : explain how to determine the end behavior of a polynomial.
Explanation :
End behavior of the polynomial is depending on the leading coefficient and the degree of the polynomial.
If the leading coefficient is positive and degree is even then the both end will be up .
If the leading coefficient is negative and degree is even then the both end will be down .
If the leading coefficient is positive and degree is odd then the right end will be up and left end will be down .
If the leading coefficient is negative and degree is odd then the right end will be down and left end will be up .