Find the first, fourth, and eighth terms of the sequence. a(n) = –3 • 2n–1 a. –12; –96; –1,536 b. –3; –24; –384 c. –6; –48; –768 d. 1; –216; –279,936

  B. -3; -24, -384

Step-by-step explanation:

The first term is the multiplier of the exponential function, -3. That tells you immediately that the only correct answer choice is B.

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The general term of a geometric sequence is ...

  an = a1·r^(n-1)

where a1 is the first term and r is the common ratio.

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step-by-step explanation:

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33