Here is your function:

You're looking for f(-1). To get your answer, you have to replace all the x's with -1.
Here is your new equation:

Multiply 2 by -1

<em>Remember:</em>
MULTIPLYING
- Positive(+) times negative(-) is equal to negative
- Positive(+) times positive(+) is equal to positive
- Negative(-) times negative(-) is equal to positive
- Negative(-) times positive(+) is equal to negative
DIVIDING
- Positive(+) divided by positive(+) is equal to positive
- Positive(+) divided by negative(-) is equal to negative
- Negative(-) divided by positive(+) is equal to negative
- Negative(-) divided by negative(-0 is equal to positive
Since you're multiplying a negative number by a positive number, the answer will be negative.
Here is your new equation:

Add -2 and 2:

That means your answer is 0
↓

<em>If you have any questions, feel free to ask in the comments! :)</em>
Answer:
Mary is incorrect
Step-by-step explanation:
We are given the following in the question:
Number of times the spinner landed on green color = 9
P(Green) =

Mary claimed that there must be 45 trials.
P(Green) =

There are 54 trials in the experiment and not 45 trials. Thus, Mary is incorrect.
Step-by-step explanation:
Since 88 is for one night and 20 per night in fees and taxes.
Step 1 : Calculate for $88
make N the subject of formula

N= 1
Step 2: Calculate for $20

make N the subject of formula

N = 1
14.7 because you need to decide how many the second is per acre acre at first