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andriy [413]
3 years ago
8

If f(x) =6x, find f(4)

Mathematics
1 answer:
nasty-shy [4]3 years ago
8 0

So, we are dealing with function notation.

F(x) can be thought of as Y= if it's easier.

So f(4) is what is the output value if X = 4.  So we just plug 4 into the function wherever we see x.


f(x)=6x\\f(4)=6(4)\\f(4)=24

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What is the equation for the line in slope-intercept form?
WARRIOR [948]

Answer:

y = 8x

Step-by-step explanation:

I believe counting up from the origin to the last point gives a slope of 8/1 which there wouldn't be a y-intercept in the equation.

5 0
3 years ago
What is the decision regarding the differences between the observed and expected frequencies if the critical value of the chi-sq
ra1l [238]

Answer:

Accept the null hypothesis if it is two tailed test.

Step-by-step explanation:

The null hypotheses can only be accepted if it is a two tailed test and calculated chi square must be less than the critical value of chi square.

Then the difference between the  the observed and expected frequencies will be zero.

where

H0 : σ²-σ²= 0             Ha: σ²-σ²≠0

For this the critical region would be greater than the calculated value of chi square. If so we will accept the null hypothesis and reject the alternative hypothesis.

4 0
3 years ago
Which monomial function has a maximum value?
Brrunno [24]

To determine which of the following monomial function has a maximum value, you have to assume the value of x. Let us say the value of x is 2. Substitute 2 for all x’s in the monomial function.

<span>y=-6x^3 = -6(2)^3 = -48
y=-5x^4 = -5(2)^4 = -80
y=5x^6 = 5(2)^6 = 320
y=6x^5 = 6(2)^5 = 192</span> Therefore, the monomial function with the maximum value is y = 5x^6

 

4 0
3 years ago
Read 2 more answers
I need help on this question
saul85 [17]

Whole circle = 360⁰ and 100%.

360⁰ ------ 100%

x ------------- 20%

x= 360*20/100 =72⁰

Answer C. 72⁰.

3 0
3 years ago
The length of your classroom is about 3.5 x 10^2 inches. If the hallway is ten times as long as the classroom, what is the lengt
tatuchka [14]

Answer:

3.5x10^3

Step-by-step explanation:

3.5x10^2 = 350

350x10 = 3500

3500 = 3.5x10^3

8 0
3 years ago
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