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Question 143763This question is from textbook College Algebra and Trigonometry
: If f is a decreasing function and f(5)=7, is f(0) less than, equal to or greater than 7? Explain your answer.
This question is from textbook College Algebra and Trigonometry
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! f(x) is DECREASING, so it is "moving downhill" as x moves to the right.
Since f(5)=7, for any value of x that is less than 5, the value of the function will be MORE THAN 7. For any value of x that is more than 5 (that is to the RIGHT of 5!), the value of the function will be LESS THAN 7 since the function must continue to decrease.
Therefore, f(0) must be greater than 7.
R^2
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