February 28, 2017

Homework Help: Math

Posted by Monique on Wednesday, June 24, 2009 at 4:27pm.

Using the TI-89 Titanium calculator:

Find the largest and smallest values of each of the following functions on their given intervals.
(I'll show you one)

f(x) = 2^x + x^2 [-4, 1]

I put in the function on the Y= screen as shown, then -4 < x < 1 (it's actually the less than or equal to sign)

It gives me a little more than half of the parabola, but I don't know where to go from there. I tried punching in the same as above using fMin( and fMax( on the Home screen and got -.285 for the minimum and -4 for the maximum, but I'm not sure if this is right.

Help please? Thank you!

Also, the units are in radians.

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