MCQ Collection
Japan MCQs
Practice Japan questions with answers and explanations.
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Correct Answer: D. log(2)
Explanation:
log x + log y = log(xy).
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Correct Answer: C. 45
Explanation:
The sum is 3(1+…+5)=3×15=45.
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Correct Answer: A. 24i + 42j
Explanation:
Scalar multiplication multiplies every component.
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Correct Answer: C. 73
Explanation:
f′(x)=10x+3; substitute x=7.
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Correct Answer: D. 24i + 24j
Explanation:
Scalar multiplication multiplies every component.
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Correct Answer: B. 77
Explanation:
f′(x)=10x+7; substitute x=7.
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Correct Answer: B. 408
Explanation:
An antiderivative is 6x²+3x, giving 408.
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Correct Answer: A. 7−6i
Explanation:
The conjugate changes the sign of the imaginary part.
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Correct Answer: A. 2
Explanation:
z=(x−mean)/sd=2.
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Correct Answer: C. 74
Explanation:
f′(x)=10x+4; substitute x=7.
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Correct Answer: D. 440
Explanation:
An antiderivative is 6x²+7x, giving 440.
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Correct Answer: D. 7−3i
Explanation:
The conjugate changes the sign of the imaginary part.
