Mathematics
tuivavau
2021-09-15 02:33:42
If ƒ(x ) = 3x + 1 and and ƒ -1 = , then the ordered pair of ƒ -1(10) = (10, 31) (10, 3) (3, 10)
ANSWERS
Ballek417
2021-09-15 04:12:12

        f(x) = 3x + 1            y = 3x + 1       y - 1 = 3x + 1 - 1       y - 1 = 3x          3       3 ¹/₃y - ¹/₃ = x            y = ¹/₃x - ¹/₃       f⁻¹(x) = ¹/₃x - ¹/₃     f⁻¹(10) = ¹/₃(10) - ¹/₃     f⁻¹(10) = 3¹/₃ - ¹/₃     f⁻¹(10) = 3 It is equal too (10, 3).

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