1.) Which function in vertex form is equivalent to f(x) = x2 + x +1?
1 answer:
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Answer:
The functions have the same y-intercept.
OPTION C is correct.
Step-by-step explanation:
<u>DEFINITIONS AND FORMULAS</u>
The equation of a linear graph is given to be:
Where m is the slope of the graph and b is the y-intercept.
To calculate the slope given a table, we can use the formula:
<u>SOLUTION</u>
<u>Function 1:</u> The equation of the graph is given to be
Therefore, the y-intercept of the graph is given to be:
<u>Function 2: Recall that the y-intercept of a graph is the y-value when x = 0.</u>
On checking the graph, we can see that when r = 0, p = -5.
Therefore, the y-intercept is:
ANSWER
The functions have the same y-intercept.
OPTION C is correct.