microwave13016
24.02.2020 •
Mathematics
If the domain is {0, 2, -6}, what is the range of y = -2x + 3?
please explain best as possible i dont really understand it
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Ответ:
{-1, 3, 15}
Step-by-step explanation:
Domain is the set of all inputs
Range is the set of all outputs
x = 0, y = -2(0)+3 = 3
x = 2, y = -2(2)+3 = -1
x = -6, y = -2(-6)+3 = 15
Range: {-1,3,15}
Ответ:
(sec²x - 1) / sec²x = (sec²x / sec²x) -1/sec²x
= 1 -1/sec²x
= 1- (1/secx)²
= 1 -cos²x
= sin²x