3 years ago

If f(x)=3x^2-2x+5, find (-2)

Mathematics

1 answer:

WITCHER [35]3 years ago

8 0

The answer is 21...3x^2=12 -2×=4 and add 5

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I need to graduate please. Which expression is a perfect cube? x^8 y^24 m^26 s^64

myrzilka [38]

Remember
$(a^b)^c=a^{bc}$

note that if $a^3$ is a perfect cube then $(a^3)^c$ is also a perfect cube when c is an integer

$(a^3)^c=a^{3c}$
so if a number is a perfect cube then the power must be divisible by 3

8 is not divisible by 3
24 is divisible by 3
26 is not divisibley by 3
64 is not divisible by 3

the perfect cube is y^24

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3 years ago

Determine whether the function below is an even function, an odd function, both, or neither.

Kipish [7]

Answer:

Even Function

Solution:

For an even function:

f(x) = f(-x)

For an odd function:

f(x) = -f(x)

Since f(-x) = f(x), the given function is an even function.

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3 years ago

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PLEASE CAN SOMEONE HELP!!!!!!!!!!!!!!!! How can you use subtraction to describe division?

STatiana [176]

Division is repeated subtraction, just like multiplication is repeated addition. If you divide 50 by 10, you get 5. This is also the question: How many times do you have to subtract 10 from 50 to get 0?

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3 years ago

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Which expression best estimates Negative 18 and one-fourth divided by 2 and two-thirds?

Mars2501 [29]

Answer:

-18/3

Step-by-step explanation:

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3 years ago

if the ratio of similarity of the figures above is 2/3, then what is the ratio of the perimeters of the two figures?

Mademuasel [1]

Perimeter = side 1 + side 2 ´+ side 3.

Triangle 1

Perimeter = 6 + 8 + 10

= 24

Triangle 2

Perimeter = 9 + 12 + 15

= 36

Ratio

24/36 = 2/3

The ratio of the perimeters is also 2/3

5 0

1 year ago