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3 years ago

PLEASE HELP ME!!!!!A. f(4)=7B. f(1)=0C. f(-1)=2D. f(-2)=0

Mathematics

2 answers:

ololo11 [35]3 years ago

6 0

I believe the answer would be C.

IceJOKER [234]3 years ago

4 0

I can't seem to find the graph. Can you copy and paste the link so I can help I really want to help.

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Which table represents the graph of a logarithmic function in the form y=log3x when b>1?

alex41 [277]

Answer:

The satisfied table of the given function $y = log_{b} (x)$

x 1/8 1/4 1/2 1 2

y -3 -2 -1 0 1

Step-by-step explanation:

Explanation :-

Given logarithmic function $y = log_{b} (x)$ if b >1

Given first table

put x = $\frac{1}{8}$ given b > 1 so we can choose b = 2

$y = log_{2} (\frac{1}{8} )$

$y = log_{2} (2^{-3} )$

we will apply logarithmic formula

log x ⁿ = n log (x)

$y = log_{2} (2^{-3} ) = -3 log_{2} (2) = -3 (1) = -3$

y = -3

ii)

put x = $\frac{1}{4}$ given b > 1 so we can choose b = 2

$y = log_{2} (\frac{1}{4} )$

$y = log_{2} (2^{-2} )$

we will apply logarithmic formula

log x ⁿ = n log (x)

$y = log_{2} (2^{-2} ) = -2 log_{2} (2) = -2 (1) = -2$

y = -2

iii)

put x = $\frac{1}{2}$ given b > 1 so we can choose b = 2

$y = log_{2} (\frac{1}{2} )$

$y = log_{2} (2^{-1} )$

we will apply logarithmic formula

log x ⁿ = n log (x)

$y = log_{2} (2^{-1} ) = -1 log_{2} (2) = - (1) = -1$

y = -1

iv)

put x = 1 given b > 1 so we can choose b = 2

$y = log_{2} (1 )$ = 0

y = 0

v)

put x = $2$ given b > 1 so we can choose b = 2

$y = log_{2} (2 )$

y = 1

Final answer:-

The satisfied table of the given function

x 1/8 1/4 1/2 1 2

y -3 -2 -1 0 1

8 0

3 years ago

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Use the given conditions to write a system of equations. Solve the system and find the numbers. The sum of two numbers is 10. If

Nitella [24]

X + y = 10
x - y = 2

add the equations together
2x = 12
x = 6

6 + y = 10
y = 3

3 0

3 years ago

Desribe how to use a tens fact to find the difference for 15-8

Fittoniya [83]

Answer/explanation :

Step-by-step

subtract 15-8 you have 7 then take

10- ur answer is 7

10-7= 3

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3 years ago

Evaluate 5 + b ÷ (11 - 9) for b = 14.

Trava [24]

Answer:

Step-by-step explanation:

5 + b ÷ (11 - 9)

Substitute b = 14

5 + 14 ÷ (11 - 9)

Work the order of operations from left to right

Since there are no exponents, parentheses first

5 + 14 ÷ (11 - 9)

5+14 ÷ 2

Then division

5+7

Then addition

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3 years ago

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One number is 20 times another number. The product of the two numbers is 180. Write an equation and use it to find all pairs of

nadezda [96]

Y = 20x

y • x = 180

180/x = y

180/x = 20x

180 = 20x^2

x^2 = 6

x = + or - 3

Therefore y must equal + or - 60.

8 0

3 years ago

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