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4 years ago

A number equals six less than four times a number. What is the number?

Mathematics

1 answer:

WITCHER [35]4 years ago

7 0

Answer:

1.5

Step-by-step explanation:

set x = 6

and x less than four time of 6

it may mean 6÷4

6÷4 = 1.5 #

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F(x)=x^5-5x^3+4x How do i factor?

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Answer:

x(x+2)(x-2)(x+1)(x-1)

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3 years ago

Write an exponential function in the form y=ab^x that goes through points (0,9) and (3, 576)

sineoko [7]

Answer:

An exponential function in the form y=9(4ˣ)

Step-by-step explanation:

Step(i):-

Given that exponential function

y = a bˣ ...(i)

The equation (i) passes through the point (0,9)

9 = a (b )⁰ = a

a =9

Step(ii):-

The equation (i) passes through the point (3,576)

576 = 9(b)³

⇒ $\frac{576}{9} = b^{3}$

⇒ 64 = b³

⇒ 4³ = b³

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b = 4

Final answer:-

An exponential function in the form y=abˣ

An exponential function in the form y=9(4ˣ)

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