Find the first six terms of the sequence. a1 = -6, an = 4 • an-1

The first six terms of the sequence are -6, -24, -96, -384, -1536 and -6144.

Step-by-step explanation:

Given information : .

It means the first term of the sequence is -6 and recursive formula is

Substitute n=2, to find the second term.

Substitute n=3, to find the third term.

Substitute n=4, to find the 4th term.

Substitute n=5, to find the 5th term.

Substitute n=6, to find the 6th term.

Therefore the first six terms of the sequence are -6, -24, -96, -384, -1536 and -6144.

college

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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