Factor this polynomial. -3x^2 - 16x - 5 A. (3x + 1) (x - 5) B. (3x - 1) (x - 5) C. -1 (3x + 1) (x + 5) D. (-3x + 1) (x + 5)
2 answers:
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Answer:
Only one extreme value of f(x) is possible.
Step-by-step explanation:
We are given the quadratic function of independent variable x which is f(x) = x² - 7x - 6 ......(1)
Now. the condition for extreme values of f(x) is
Hence, differentiating both sides of equation (1) with respect to x, we get
= 0
⇒ x = 3.5.
So there is only one value of x for which f(x) has extreme value which is x = 3.5.
Therefore, only one extreme value of the given function is possible. (Answer)