What is -7<= 1-4x^7<12 ?

The solution to -7<= 1-4x^7<12 is -\sqrt[7]{11/4}<x<= \sqrt[7]{2}

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-7<= 1-4x^7<12

- 7 \leq 1 - 4 x^{7} < 12

Interval Notation

Decimal Notation

- 1.15547 \dots < x \leq 1.10408 \dots

Solution steps

- 7 \leq 1 - 4 x^{7} < 12

a \leq u < b

then

a \leq u and u < b

- 7 \leq 1 - 4 x^{7} and 1 - 4 x^{7} < 12

Combine the intervals

Merge Overlapping Intervals

x + 3 (0) = 6

2 x (x - 1) = 0

(3 x - 5)^{2} = 13

∣ 6 y + 2 ∣ = 2 ∣ 2 y - 1 ∣

f = 9 (3)^{- 4}

What is -7<= 1-4x^7<12 ?
The solution to -7<= 1-4x^7<12 is -\sqrt[7]{11/4}<x<= \sqrt[7]{2}