1.)given the recursive definition latex: a_{n+1}=2\cdot a_n+1a n + 1 = 2 ⋅ a n + 1, and that latex: a_1=1a 1 = 1, find latex: a_{10}a 10

group of answer choices

2.)given the explicit definition: latex: t_n=n^2-2nt n = n 2 − 2 n, find latex: t_4

1) 1023

2) 8

Step-by-step explanation:

1)

Given:

and

Then,  the next table can be computed (only the first terms are explicitely shown)

n      

1       1

2       3

3      7

4      15

5      31

6      63

7      127

8      255

9      511

10     1023

2)

Given

Then,  the next table can be computed

n      

1       -1

2      0

3      3

4      8

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.