Answer:
1. Vertex: (4,26)
X-intercept: (9.09,0)(-1.09)
2. Vertex: (-4,-6)
X-intercept: (-1.55,0)(-6.44,0)
Step-by-step explanation:

Solution:
Given expression:

<u>Expansion of PEDMAS:
</u>
Parenthesis, Exponents, Division, Multiplication, Addition, Subtraction.
To solve the given expression using pedmas rule.
First solve the expression with parenthesis.

Next do the exponents.

Finally do the addition.

Hence the answer is 80.
The answer is yes, it is a function.
Answer:
5 cups of walnuts are needed.
Step-by-step explanation:
This question can be solved using a rule of three.
One batch of walnut muffins uses 1 1/3 cups of walnuts.
So one batch of walnut muffins uses
cups of walnuts.
How many cups of walnuts are needed to make 3 3/4 batches of muffins?
How many cups are required for
batches.
1 batch - (4/3) cups
(15/4) batches - x cups

5 cups of walnuts are needed.