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2 years ago

Given y=4x and the domain of (-3,-2,-1,0,1,2) determine the range

Mathematics

1 answer:

gregori [183]2 years ago

4 0

Answer: 5

Step-by-step explanation: Subtract the minimum data value from the maximum data value to find the data range. In this case, the data range is

2 − − 3 = 5 .

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Todd is 3 years older than his brother Jack. If Jack is x years old and Todd is y years

o-na [289]

The answer to this would be 25.

Explanation:If Todd is three years older than jack you will have to subtract the three from that 28 to get your answer.

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3 years ago

Read 2 more answers

4x-3=5x-21 what does x=

torisob [31]

U subtract 4x by 5x and then you add 3 by -21 and the answer is x=18

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3 years ago

18 points

bearhunter [10]

12 is first one 7 is 2nd one 9 is the last one

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2 years ago

On a horizontal number line, positive numbers are_____

Bond [772]

Answer:

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2 years ago

Please help! Thanks in advance.

alukav5142 [94]

In this problem, we need to plug in the given x values for $f(x)=0$ and find a and b.

When we plug in 1, we get: $2 \times {1}^{4} - 5 \times {1}^{3} - 14 \times {1}^{2} + a \times 1 + b = 0$

Simplify:
$2 - 5 - 14 + a + b = 0$
$- 17 + a + b = 0$
$a + b = 17$

We got our first statement about the values of the variables. If we find one more we can find those 2 variables.

We have another given root: 4.

Plug it in:
$2 \times {4}^{4} - 5 \times {4}^{3} - 14 \times {4}^{2} + a \times 4 + b = 0$
$512 - 320 - 224 + 4a + b = 0$
$- 32 + 4a + b = 0$
$4a + b = 32$

Now we have our second one. We can combine them:
$a + b = 17 \\ 4a + b = 32$

I use elimination method which is easier here.

Multiply the top equation by -1: $- a - b = - 17 \\ 4a + b = 32$

Add them up:
$3a = 15$

Simplify:
$a = 5$

Now we have a, we can plug in one of those equations to find b:
$5 + b = 17$
$b = 17 - 5$
$b = 12$

So, the answers are $a=5$ and $b=12$ .

6 0

3 years ago