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Afina-wow [57]
3 years ago
6

Find the value of c that makes the expression a perfect square trinomial x^2+15x+c​

Mathematics
1 answer:
Trava [24]3 years ago
8 0

Answer:

-100

Step-by-step explanation:

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Evaluate the function f(x) =-x/2 -7x -2 find f(-9)
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Answer:

f(-9)=\frac{131}{2}

Step-by-step explanation:

In order to evaluate a function at a given x-value, plug in that value into the actual function

f(x)=-\frac{x}{2} -7x-2\\\\f(-9)=-\frac{9}{2} -7(-9)-2\\\\f(-9) = \frac{131}{2}

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