Can someone please answer just part C8? Thank you! “We’ll examine the results of the 2018 SAT math exam with a mean of 531 and standard deviation of 114, as reported in Table 5.1
1) What percentage of test takers scored lower than 400 on the math SAT?
2) What percentage scored between 600 and 700 points?
3) Your score is 725. What is your percentile rank?

c: y > - 1/6x + 1

step-by-step explanation:

dashed line - meaning this < or > also not equal

solid line - meaning this < or > also equal

your answer is c because y > means up & it's shaded up, but y < means down

hope this ! : )

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for