3 years ago

Needing some help please

Mathematics

1 answer:

notka56 [123]3 years ago

6 0

Answer: Should be (4,0)

Step-by-step explanation:

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If f(x) = x/2 - 3 and g(x) = 3x^2 + x - 6, find (f+g)(x)

drek231 [11]

$(f+g)(x) = f(x) +g(x)$

$(f+g)(x) = \left(\dfrac{x}{2}-3\right)+\left(3x^2+x-6\right)$

$(f+g)(x) =3x^2 +\dfrac{3x}{2}-9$

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3 years ago

Can someone help me figure out the slop please !:)

s2008m [1.1K]

(1,5)&(8,5)
slope =(8-1)÷(5-5)
= 7÷0
the solution is undefined because any number which is divided by 0 is undefined

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4 years ago

Which is a rational function??

snow_tiger [21]

Answer:

A. $y=\frac{x-5}{2}$

B. $y=\frac{2}{x}$

and

D. $y=x^2-x+4$

Step-by-step explanation:

A rational function is of the form $R(x)=\frac{P(x)}{Q(x)} ,Q(x)\ne0$ where

$P(x)$ and $Q(x)$ are polynomial functions.

Based on this definition, every polynomial function is a rational function.

Hence the rational functions in the options provided are;

A. $y=\frac{x-5}{2}$

B. $y=\frac{2}{x}$

and

D. $y=x^2-x+4$

$y=\frac{x-3^x}{x^2}$ is not a rational function because the numerator is not a polynomial function.

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3 years ago

Do all straight lines that are functions have inverses?

tino4ka555 [31]

Answer: Not all Functions have a inverse

Happy To Help :)

Step-by-step explanation:

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Answer:2/15

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