Short Answer
A certain piece of electronic surveying equipment is designed to operate in temperatures ranging from 0° C to 30° C. Its performance index, p(t, h), measured on a scale from 0 to 1, depends on both the temperature t and the humidity h of its surrounding environment. Values of the function p = f(t, h) are given in the following table. (The higher the value of p, the better the performance.) 
What is the value of p(20, 25)?
Correct Answer:
Verified
Correct Answer:
Verified
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