Question

QUESTION 1
4x + 1; 2x + 4 and x + 3 are the 2nd, 3rd and 4th terms of an arithmetic
sequence.
1.1
Determine the value of x.
1.2
Calculate the value of the first term.
1.3
Determine the formula for the nth term of the sequence.
1.4
Which term in the sequence has a value of - 143?
1.5
Determine the sum of the first 30 terms.
QUESTION 2
Paul and Tim were tasked with investigating the sequence 6; 18;54; ...​

Answer 1

Answer:

i also don't know

Step-by-step explanation:

please tell