I'm going to say 3 1\2. Let me know when you get the answer.
Answer:
-86, -17, -4, -2, 40
Step-by-step explanation:
When x<span> approaches to </span><span>+∞</span><span> the function </span><span>e^<span>3x</span></span><span> becomes much bigger then </span><span>e^<span>−3x</span></span><span>, which obviously means that </span><span>e^<span>−3x</span></span><span> can be neglected in both numerator and denominator.
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Here's how I figured this out:
</span><span>lim <span>x →+∞ </span></span>= (<span><span><span>e^(<span>3x))</span></span>− (<span>e^(<span>−3x)) / (</span></span></span><span><span>e^<span>3x)) </span></span>+ (<span>e^(<span>−3x)) </span></span></span></span>= <span>lim <span>x → +∞ </span></span><span><span>e^<span>3x / </span></span><span>e^<span>3x </span></span></span>= 1
You can't do 4 1/4 minus 3/4. You have to turn the 4 1/4 into a improper fraction and then get the same denominator and then you can subtract. When it is a improper fraction, you can also cross cancel. Good Luck!
The correct choice is D.) No solution
