haidenmoore92
07.10.2020 •
Mathematics
Awnser to 4(5x + 1)-8=38 + 6x
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Ответ:
3
Step-by-step explanation:
20x+4-8=38+6x
Cancel out 6x
14x+4-8=38
14+4=46
14x=42
= 3
Ответ:
(1,4) when x = 1, k(1) = (1/4)^1 = 1/4FALSE
(3, 1/64) when x = 3, k(3) = (1/4)^3 = 1/64TRUE
(-1,4) when x = -1, k(-1) = (1/4)^-1 = 4TRUE
(0, 1/4) when x = 0, k(0) = (1/4)^0 = 1FALSE
answer
(3, 1/64)
(-1,4)