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3 years ago

15

F(x)=7-2x polynomial function

1 answer:

monitta3 years ago

4 0

Answer:

Step-by-step explanation:

Yes, F(x)=7-2x is a polynomial function for which the sole x term has the exponent 1 and the constant term has the exponent 0:

F(x) = -2x^1 + 7x^0

As is true of all polynomial functions, the exponents are all positive integers (plus that of the constant term is zero).

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3 years ago

Enter the values for the highlighted variables to complete the steps to find the sum: (see picture)

dangina [55]

Answer:

a = -1

b = -9

c = 9

d = 3

e = 3

f = 2

g = 3/2

Step-by-step explanation:

* Lets explain how to solve the problem

∵ $\frac{3x}{2x-6}+\frac{9}{6-2x}$ are rational fractions

- To add or subtract the rational fractions they must have same

denominator

∵ 6 - 2x must be written 2x - 6, take (-1) as a common factor from 6 - 2x

∴ - 1(-6 + 2x) = - 1(2x - 6)

∴ $\frac{3x}{2x - 6}+\frac{9}{6-2x}=\frac{3x}{2x-6}+\frac{9}{-1(2x-6)}$

∴ a = -1

∵ 9 ÷ -1 = -9

∴ = $\frac{3x}{2x-6}+\frac{-9}{2x-6}$

∴ b = -9

∵ The denominators of the two fractions are 2x - 6

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∵ 3x + -9 = 3x - 9

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∵ 3x - 9 has a common factor 3

∴ 3x - 9 = 3(x - 3)

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∴ 2x - 6 = 2(x - 3)

∴ = $\frac{3(x-3)}{2(x-3)}$

∴ d = 3 , e = 3 , f = 2

- The fraction has same factor (x - 3) up and down then we can cancel

them together

∴ = $\frac{3}{2}$

∴ g = 3/2

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3 years ago