1/x <= 4

Solution

\frac{1}{x} \leq 4

x < 0 or x \geq \frac{1}{4}

Interval Notation

(- \infty, 0) \cup [\frac{1}{4}, \infty)

Decimal Notation

x < 0 or x \geq 0.25

Solution steps

\frac{1}{x} \leq 4

Rewrite in standard form

\frac{1 - 4 x}{x} \leq 0

Identify the intervals

x < 0 or x \geq \frac{1}{4}

21 - 2 (5 x - 7) + 1 = 80 + x

(\frac{4 x ^{9}}{x ^{5} y ^{5}})^{3}

\frac{π}{16} + \frac{π}{8}

10 v^{3} - 25 v^{2} + 6 v - 15

∣ 2 + m ∣ = 4