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NeTakaya
3 years ago
9

9 + -4 --7 X -3 Evaluate the expression?

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:34

Step-by-step explanation:

First you multiply

-7•-3=21

Then you just add 9+4+21

9+4=13

21+13=34

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Given a polynomial p(x) and a point x_0, we have that

p(x_0) = 0 \iff (x-x_0) \text{\ divides\ } p(x)

We know that our cubic function is zero at -4, 0 and 5, which means that our polynomial is a multiple of

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Since this is already a cubic polynomial (it's the product of 3 polynomials with degree one), we can only adjust a multiplicative factor: our function must be

f(x) = ax(x+4)(x-5),\quad a \in \mathbb{R}

To fix the correct value for a, we impose f(4)=96:

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f(x) = -3x(x+4)(x-5)=-3x^3+3x^2+60x

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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6 0
3 years ago
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