3 years ago

Which function has a domain of all real numbers except x = pi/2 +- n(pi)

Mathematics

1 answer:

Feliz [49]3 years ago

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F(x) = tan(Ф) is defined for all values of (Ф) ≠ +π/2 and - π/2

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3 years ago

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Solve the system of equations using substitution. 3x + 7y = 19 -X + 8y = -27

Harman [31]

Answer:

x= 11

y= -2

Step-by-step explanation:

8y + 27 =x

3(8y+27) + 7y =19

24y + 81 + 7y =19

31y + 81 =19

-81 -81

31y = -62

31 31

y = -2

-x + 8(-2) = -27

-x - 16 = -27

+16 +16

-x = -11

x= 11

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3 years ago