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pantera1 [17]
3 years ago
10

I need help on this

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
5 0

Draw a vertical line at the number 4 on your x axis positive side which is x=4

Then anything on the left of this line you just created at x=4 will be less than 4.  But since your inequality is x  less than/equal to 4 it includes 4 as well.

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If log subscript 2 left parenthesis 3 x minus 2 right parenthesis equals 4, then what is the value of x?
elena-14-01-66 [18.8K]

Answer:

x = 6

See image.

Step-by-step explanation:

Logarithms are just another way to write exponents. The base on the logarithm that is the small font subscript IS the base (normal font/on the line) of an exponential equation. The "answer" in the logarithmic equation is the exponent (small font/superscript) .It is just a triple shuffle. When the logarithmic equation cant be worked on to solve it, CHANGE IT to exponential form. See image.

6 0
2 years ago
Given f(2) = 12, which of the following could be an equation of the function?
Viktor [21]
The equation of the function would be:
B. f(x)=4x+4, because if x=2, and if the answer is 12, 12 divided by 2 is 6, so f=6 4 multiplied by 2 is 8 added by 4 is 12. The equation in numbers would be 6(2)=12 or 6(2)=4(2)+4 which ends up being 12=12.
4 0
3 years ago
Read 2 more answers
F(x)=x²+4x-7 determine the vertex
asambeis [7]

Answer:

The vertex of this parabola is (-2,-11)

Step-by-step explanation:

One way of finding the x-coordinate of the vertex of a parabola is by using the equation -\frac{b}{2a}

From the function f(x)=x^2+4x-7, we can see that

a=1\\b=4\\c=-7

This means that

-\frac{b}{2a}=-\frac{4}{2(1)} =-2

So, the x-value of the vertex is -2. Now, we can plug this x-value into the function to find the y-coordinate of the point.

f(x)=x^2+4x-7\\\\f(-2)=(-2)^2+4(-2)-7\\\\f(-2)= 4-8-7\\\\f(-2)=-11

Thus, the vertex of this parabola is (-2,-11)

3 0
3 years ago
Anyone can answer this
kolezko [41]

Answer:

y smaller than - 1/3

Step-by-step explanation:

.................

5 0
3 years ago
What should be the first step to solve 5x² – 10x = -5 by completing the square method? O Divide the equation by 5 O Multiply the
iogann1982 [59]

Answer:

divide the equation by 5

Step-by-step explanation:

all the components are factors of 5 so if we divide by 5, then we get as x² - 2x = -1

7 0
3 years ago
Read 2 more answers
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