Need help ASAP, stuck on this question

a = 12+6(n-1) (BOTTOM LEFT)

Step-by-step explanation:

a = x + y(n-1)

x = the original amount; y = amount it increases by

a = 12+6(n-1)

12 + (n-1)*6

Step-by-step explanation:

The first book costs 12 dollars

The next book and each additional book costs 6 dollars

Let n the the number of books

The first book is 12,  so we multiply by 1 less book for the 6 dollar books,

or n-1

The cost for all the books is 12 + (n-1)*6

vwhat effect does the word head have on the meaning of this passage?

a. it demonstrates how intelligent he was.

b. it shows he was a favorite of the teachers.

c. it indicates he would be a good preacher.

d. it reveals how self-important he was.

how does the choice of the word head contribute to the passage’s tone?

a. it offers a sense of entitlement.

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2