Practice problem
Solve the inequality ln(2x+7)≥ln(23)\ln(2^x + 7) \geq \ln(23)ln(2x+7)≥ln(23).
x≥4x \geq 4x≥4
x≥−4x \geq -4x≥−4
x≥log2(e23−7)x \geq \log_2(e^{23} - 7)x≥log2(e23−7)
x≤−4x \leq -4x≤−4
Type a concept, like “slope” or “photosynthesis”.