No calculator is allowed on this entire test. \( \qquad \) 1. Let \( y=2 \sin x-1 \). The minimum value attained by \( y \) on the closed interval \( [0,2 \pi] \) occurs when \( x \) is equal to A. -3 B. \( \frac{3 \pi}{2} \) C. \( \pi \) D. 0 E. \( \frac{\pi}{2} \)
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This function is a transformation of the basic sine function \( \sin x \), where the amplitude is multiplied by 2, and the graph is shifted downward by 1 unit. Show more…
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