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butalik [34]
3 years ago
9

For the function f(x)=5x2−5x, evaluate and simplify.

Mathematics
1 answer:
Marianna [84]3 years ago
7 0

9514 1404 393

Answer:

  10x -5 +5h

Step-by-step explanation:

Use the function definition with the given arguments.

  \dfrac{f(x+h)-f(x)}{h}=\dfrac{(5(x+h)^2-5(x+h))-(5x^2-5x)}{h}\\\\=\dfrac{(5(x^2+2hx+h^2)-5(x+h))-(5x^2-5x)}{h}\\\\=\dfrac{5x^2+10hx+5h^2-5x-5h-5x^2+5x}{h}=\dfrac{10hx-5h+5h^2}{h}\\\\=\boxed{10x-5+5h}

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What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (−1, −1)?
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First find the slope of this new line; it's the same as the slope of the "given line," which you unfortunately have not yet given.  Let's call that slope "m."

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Please go back to the original question, obtain the slope of the "given line," and substitute that value for m in y+1 = m(x+1).
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4 years ago
Three less than eight times the number is equal to half of 16 times the number after it was increased by one
finlep [7]

Answer:

1) The question is aimed to determine the number that Laura is trying to come up with.

Such question is solved by stating an algebraic equation from the word statement, which is done step by step.

2) Using the name x for the unknown, the expression "three less than 8 times the number" is translated to: 8x - 3

3) The expression "half of 16 times the number after it was increased by 1" is translated to: (1/2) (16x + 1)

4) Finally, since they are equal, you can set the equation:

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5) And solve for x in this way:

i) Distributive property:

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ii) At this stage you can see that the both 8x terms (on the left and on the right) cancel each other, which leads to the impossibility to determine the value of the unknown:

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Read more on Brainly.com - brainly.com/question/10888245#readmore

Step-by-step explanation:

hope it help

6 0
3 years ago
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nika2105 [10]

Answer:

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Step-by-step explanation:

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Answer:

Answer in explanation

Step-by-step explanation:

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Due to this difference in sample size, an experiment conducted with more sample size is expected to yield a greater amount of degree of freedom.

Thus, the small differences between the groups of observations are likely to be statistically significant.

3 0
4 years ago
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liberstina [14]

Answer:

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