Answer:
1). Option C
2). Option D
Step-by-step explanation:
For the figure 1 attached,
It is given that Jeanne has spent $70.45 on the club for 12 months.
First month she paid monthly fees and an additional amount of $10.45.
Now we assume that the monthly fees of the club is $x
So in the first month Jeanne paid total amount = $(x + 10.45)
Further she pays only fees for 11 months.
Therefore, payment made for fees = 11x
Now we form the equation as
(x + 10.45) + 11x = 70.45
12x + 10.45 = 70.45
12x = 70.45 - 10.45
12x = 60
x = [tex]\frac{60}{12}=5[/tex]
Payments made in 12 months will be,
15.45, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
Therefore, initial payment was 10.45 and rate of change of this function will be 5.
Option C is the answer.
In other part of the question we have to find the probability from two spinners.
Probability of getting B on spinner 1 will be
P₁ = [tex]\frac{\text{Number of alphabet B on the spinner}}{\text{Total number of sections on the spinner}}[/tex]
= [tex]\frac{2}{8}=\frac{1}{4}[/tex]
Similarly probability to get number 1 on spinner 2 will be
P₂ = \frac{2}{6}[/tex]
= \frac{1}{3}[/tex]
Now the probability of both the events = [tex]\frac{1}{4}\times \frac{1}{3}=\frac{1}{12}[/tex]
Therefore, Option D is the answer.
