Practice problem
Solve the inequality log4(x2−20)≥2\log_4(x^2 - 20) \geq 2log4(x2−20)≥2.
x≥6x \geq 6x≥6
x≤−6x \leq -6x≤−6
x≤−6x \leq -6x≤−6 or x≥6x \geq 6x≥6
x≤−2x \leq -2x≤−2 or x≥2x \geq 2x≥2
Type a concept, like “slope” or “photosynthesis”.
