Which of the following is the beginning of an arithmetic sequence?

   b.  22, 28, 34, 40

Step-by-step explanation:

This is the only sequence with a common difference, hence the only arithmetic sequence: 22, 28, 34, 40 (common difference of 6).

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When adjacent terms of the sequence have the same difference, the sequence is arithmetic. When adjacent terms have the same ratio, the sequence is geometric. (Only a non-zero constant sequence will be both.)

a

step-by-step explanation:

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1