Answer:
D)The equation is f(x)=3x^2−9x+3, and the parabola opens upward.
Answer: Im very sure the answer is
B
Step-by-step explanation:
1.09. You want to add all the numbers together which would give you 12 and divide that by how many numbers there are which is 11. So 12 divided by 11 would give you roughly 1.09 !
It can be noted that the percentage error made by Allison will be 1.6%
<h3>How to solve the percentage</h3>
From the information given, Allison measured a line to be 19.4 inches long and the actual length of the line is 19.1.
Therefore, the percentage error will be:
= (19.4 - 19.1)/19.1 × 100
= 0.3/19.1 × 100
= 1.6%
In conclusion, the correct option is 1.6%.
Learn more about percentages on:
brainly.com/question/24304697