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Elena L [17]
2 years ago
12

If f left parenthesis x right parenthesis equals short dash 4 x minus 8 and g left parenthesis x right parenthesis equals 3 x sq

uared plus x, then f left parenthesis short dash 1 right parenthesis g left parenthesis 2 right parenthesis =
Mathematics
1 answer:
Len [333]2 years ago
8 0

The answer is -56

f(x)=-4x-8\\\\g(x)=3x^{2}+x

f(-1) = -4(-1)-8= 4-8 =-4

g(2) = 3(2)^2+2 = 12+2 = 14

therefore the multiplication of functions, f(-1)g(2) = (-4)*(14) =-56

The answer is -56

learn more about multiplication of functions here:

brainly.com/question/18042673

#SPJ1

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82. Subtract 12x? + 6y - 3 and 3x? - 9y + 12
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Answer:

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3 years ago
Someone can help me Pleaseee
Morgarella [4.7K]

Answer:

a. Compressed f toward the x-axis, and then translated it left 4 units.

Step-by-step explanation:

General equation for this is:

 y = a√(x - h) + k

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  • k is how much it's being shifted in the y-direction

We're given:

g(x) = 1/2√(x + 4)

g(x) = 1/2√(x - (-4))

My a-value is 1/2, so the original function f(x) is being compressed by 1/2 toward the x-axis.

My h value is -4 so it's being shifted by 4 units. It's shifted to the left because it's negative.

There is not k-value so nothing is shifted in the y-direction.

8 0
3 years ago
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Read 2 more answers
Explain why percents are rational numbers.
levacccp [35]
<span>Yes since percents can be decimals and these decimals can be illustrated as fractions hence, vice-versa.

80%= 0.8 = 4/5

A rational number is any number or numerical value which can be possibly stated in a fraction form of numbers, it basically has a numerator and denominator. Furthermore, the values of the numerator and denominator is integers and doesn’t equal to 0. In this given case of 8 over 5 or 8/5 this fractional number can still be expressed in a standard numerical form with a decimal as 1.6 without repeating decimal values. Unlike irrational numbers which is not possible, take for instance 3.1416… and so on which cannot be “fractionized”.<span>
</span></span>
3 0
3 years ago
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