Answer:
A. Cos2x
Step-by-step explanation:
f(x) = sin(x)cos(x) = (1/2) sin(2x) using double angle formula.
f'(x) = ( (1/2)sin(2x) )' = 2(1/2)cos(2x) = cos(2x)
The answer to the question is 5^x - 10
Answer:
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Coin flip is 1/2
2 numbers are less than 3 so 2/6 = 1/3
1/2 * 1/3 = 1/6 probability total
240 x 1/6 = 40
answer is B) 40
