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natka813 [3]
3 years ago
5

Every​ week, Bob plays the guitar for three hours​, and his grade on each psych test is 75 percent. Last​ week, after playing fo

r three hours​, Bob considered playing for an additional hour. He decided to play for another hour and cut his study time by one​ hour, but last week his psych grade was 55 percent. What was Bob​'s opportunity cost of the fourth hour of playing the guitar​?
Mathematics
1 answer:
dsp733 years ago
4 0

Answer:

20% psyche test scores

Step-by-step explanation:

Given that every week, Bob plays the guitar for three hours​, and his grade on each psych test is 75 percent.

Last​ week, after playing for three hours​, Bob considered playing for an additional hour.

He decided to play for another hour and cut his study time by one​ hour, but last week his psych grade was 55 percent.

Bob​'s opportunity cost of the fourth hour of playing the guitar​

=His cut in scores in psyche test

=20%

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Step-by-step explanation:

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function f(x) = 2x³ + x² - 10x - 12

To know if a number is a root of a function, evaluate the function on that number, if the result is zero, then that number is a root.

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