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3 years ago

Which type of function is the result of multiplying a quadratic function and a linear function?

Mathematics

2 answers:

Alex73 [517]3 years ago

6 0

A quadratic function

zhannawk [14.2K]3 years ago

5 0

Answer:

option D a cubic function

Step-by-step explanation:

answer will be option D a cubic function

when we multiply a quadratic function with a linear function the solution comes out to be a cubic function.

Example

assuming a linear function be (x+3)

assuming a quadratic function be ( x² + x+ 3 )

multiplying both the equation

( x² + x+ 3 ) × (x+3)

x². x + 3 x² + x.x + 3 x + 3 x + 9

x³ + 4 x² + 6 x + 9

hence the answer will be cubic.

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The times for Erin’s five laps around the track were 56.6 seconds, 57.9 seconds, 57.5 seconds, 65.3 seconds, and 65.7 seconds. U

Dafna1 [17]

Answer:

i think is probably 70 sec or 75

Step-by-step explanation: idk

7 0

3 years ago

Read 2 more answers

I need help please I don’t understand

Evgen [1.6K]

You don’t need to do the math, think logically.

35% is almost 33%.

1/3 (33%) of 64,000 is 21,000.

The closest choice is H. 22,400.

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3 years ago

If X = 16 feet and Y = 8 feet, what is the area of the figure above ? Use 3.14 for pi .

Setler [38]

Answer:

Step-by-step explanation:

You can probably figure out the rectangle of 16 by 8 so no explaining there. 16×8=128. You know that diameter of the cirkel is equal to y so 8. The diameter of a cirkel is two times its radius. so 8=2r. r=4. The area of a cirkel is calculated by the formula \pi×r^2. Fill in r=4 in \pi×r^2 gives us \pi×4^2=16\pi. You only have half of the cirkel so 16\pi/2=8\pi. 128+8\pi=153.12 which is A.

5 0

3 years ago

If f(x) = 3x - 5 and g(x) = 7x + 2, what is (f * g)(x)? NEED HELP ASAP!!!!

QveST [7]

Answer:(f*g)(x)= 21x^2 -29x -10

Step-by-step explanation:

(3x-5)(7x+2)

21x^2-35x+6x-10

21x^2-29x-10

6 0

3 years ago

Listed below are the weights in pounds of 11 players randomly selected from the roster of the Seattle Sea-hawks when they won Su

weeeeeb [17]

Answer:

No. These measures show a thinner team of NFL players according to the mean, variance, standard deviation, and quartiles.

Step-by-step explanation:

1) The measures of variation, namely The Range, Variance, Quartiles, Interquartiles, Sum of Squares, etc. shows us how the data are dispersed.

The Range Δ is calculated:

$\Delta =305-189=116$ Maximum value - Minimum value for weight

Mean:

$\bar{x}=\frac{189+254+235+225+190+305+202+190+252+305}{11}\approx 231.09 \:pounds$

Variance:

$s^{2}=\frac{\sum_{i=1}^{n} (x_i-\bar{x})^{2}}{n-1}\Rightarrow s=1923.69\\$

The Standard Deviation of the sample

$s=\sqrt{s^{^{2}}}\Rightarrow s\approx 43.86\\$

2) Since there is no preceding exercise, the comparison was made to a recent study in which a NFL player average weight is about 245 pounds (average),

Since 25% of this list are player whose weight is 192.5 lbs and 50% (2nd Quartile) =225 lbs , finally only at the 3rd Quartile we have players above the regular NFL average with 253. This, added with the other data, allow us to say that this list is not a typical of all NFL players.

4 0

4 years ago