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What is the difference between the min a...

What is the difference between the min and max values of the function f defined by `f(x)=2x^(2)+3x-8` on the interval `[-2,5]`?

A

7

B

57.75

C

63

D

66.13

Text Solution

Verified by Experts

The correct Answer is:
D
Enter the function into `Y_(1)` in the graphing calculator, with XMIN=-2 and XMAX=5. in order to see the entire graph, you will have to set YMIN=-10, and YMAX=60. use CALC (2nd TRACE) to find the min value -9.13 and the max value 57. the difference is 57-(-9.13)=66.13.
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