Question

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°

Answer 1

A: −6 ≤ y ≤ 2

Explanation:

Answer 2

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