Answer:

Step-by-step explanation:
The formula for the nth term of a geometric sequence is
aₙ = a₁rⁿ⁻¹
In your geometric sequence, a₁ = 4 and a₁₃ = 16 384.

Check:

It checks.
Answer:
-28
Step-by-step explanation:
h(4)=-2(4)^2+4
-32+4=-28
The answer is: [B]: " 3r − 5 " .
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H = 3r <span>− </span>5
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75 is one half the sum of 142 and 8