Select the correct answer.
Which equation matches the function shown in the graph?
A trigonometric function Start from (0, 1) and passes through the points (pi, 3), (3 pi, minus 1), and intercepts the x-axis at 2.4 pi and 3.8 pi units.
A. y \ = \ 3\sin\left(\frac{1}{2}x\right)
B. y \ = \ 2\sin\left(\frac{1}{2}x\right) \ + \ 1
C. y \ = \ 2\sin\left(2x\right) \ + \ 1
D. y \ = \ 3\sin\left(2x\right)
1 answer
C. y = 2sin(2x) + 1
1 answer