Mathematics
ele
2015-11-08 12:09:39
What is the range of the function y = 4sin(θ − 30°) − 2? A: −6 ≤ y ≤ 2 B: −2 ≤ y ≤ 4 C: −2 ≤ y ≤ 6 D: −30° ≤ y ≤ 30°
ANSWERS
peyfow20
2015-11-08 13:11:41

the minimum value of sin (θ - 30)  = -1   and maximum  is 1 so minimum of y is -4-2 = -6 and maximum is 4-2 = 2 Its A

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