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Use graphs to find approximate solutions.$$2^{x}=5$$
$x \approx 2.3219$
Calculus 1 / AB
Chapter 1
Functions
Section 5
Exponential Functions
Oregon State University
University of Michigan - Ann Arbor
University of Nottingham
Lectures
03:09
In mathematics, precalculu…
31:55
In mathematics, a function…
01:28
Use a graph to estimate th…
01:23
Solve using a graphing cal…
01:04
Estimate the solutions of …
01:12
Approximate the solution(s…
01:48
Solve each equation. For e…
01:15
Use graphs to find approxi…
01:35
Sketch graphs to find appr…
03:06
What are the approximate s…
01:02
So in this problem, I want to figure out which X value satisfies to the X equals five. And I'm gonna estimate this by looking at the graph. So I photographed the two things. So when you do these problems, you're gonna graph the left hand side of the equation in the right hand side of the equation. So already graft to the X and I'm graph the horizontal line five, and I want to figure out where these things intersect. So I look at that. They intersect right here, and I'm just gonna look at the graph and try to estimate what x value their sucked up. And so I certainly won't be able to get in, you know, a perfectly exact number. But I can, you know, get a decent idea. So if I follow that blue line down, I can tell that the intersex somewhere between two and three and it's pretty close to two. So I'm just gonna, you know, estimate the X is approximately 2.2, and that is my final answer.
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