What is the range of the function $y=-2sin(2x+pi)-4$ ?

Question

↳Redirected from "Question #99ee1"

2481 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-11-06T03:34:01

Range: y such that $-6 <= y <= -2$

...The sine of any quantity varies between -1 and 1. That's all you need to know about the quantity in parenthesis $(2x+ pi)$

When $sin(2x + pi) = -1$ , $y = (-2)(-1)-4 = 2 -4 = -2$

When $sin(2x + pi) = 1$ , $y = (-2)(1) - 4 = -6$

GOOD LUCK

What is the range of the function y=-2sin(2x+pi)-4y=-2sin(2x+pi)-4?