Problem preview
F-LE.4 Warmup M3-029-A12-V01

Use logarithms to solve exponential equations of the form ab^(ct)=d and evaluate with technology.

Solve an exponential inequality by isolating the exponential factor and using logarithms

Problem

What is the solution to the exponential inequality \(2^x>10\)?

Big Picture

What this problem is really about

Treat the related equation as the boundary, then use monotonicity to determine which side of that boundary satisfies the inequality. Taking logarithms preserves order, but the sign of the logarithm you divide by still matters. Finally, keep a strict boundary open because equality does not satisfy a strict inequality.

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Four variants of this problem type
Curriculum context
Course
Math III
Standard
F-LE.4
Category
Functions
Domain
Linear, Quadratic, and Exponential Models
Objective
Use logarithms to solve exponential equations of the form ab^(ct)=d and evaluate with technology.
Problem type
Solve an exponential inequality by isolating the exponential factor and using logarithms