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3 years ago

Let g(x)=2x and h(x)=x^2+4. evaluate (h o g)(-2)

Mathematics

1 answer:

Kamila [148]3 years ago

3 0

G(-2) = 2*-2 = -4

(h o g)(-2) = (-4)^2 + 4 = 20 answer

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Find the sum. A. 4x2 – x – 5 B. 10x2 + 7x – 5 C. –10x2 + 7x + 11 D. 4x2 + x – 11

Kobotan [32]

Answer:

Step-by-step explanation:

7x² - 4x - 8 - [ -3x² - 3x - 3]

In subtraction, flip the sign of all terms in the minuend

7x² - 4x - 8

4x² - x - 5

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3 years ago

Question on image down below

denpristay [2]

Answer:

The temperature at sunrise was lower on the day in 2012 than on the day in 2013.

The difference between the 2012 and 2013 rates of temperature increase was 0.1 degrees per hour.

Both days had a constant rate of change in temperature per hour over the time periods shown.

Step-by-step explanation:

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3 years ago

Which irrational number can be multiplied by (the picture) to get a product that equals 1?

umka2103 [35]

$\sqrt{41} \times \frac{1}{\sqrt{41}} = 1$

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3 years ago

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Hayden has 6 rolls of dimes. There are 50 dimes in each roll. How many dimes does he have altogether?

Aleks04 [339]

6 times 50 is 300, there’s your answer. He was 300 dimes altogether.

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3 years ago

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Find Mean, Median, mode and range. Round to the nearest tenth.

Zigmanuir [339]

Answer:

Mean =26.2

Median=27

Mode=32

Range=38

Step-by-step explanation:

From the stem and leaf plot, we obtain the original data as:

9,11,12,12,14,17,25,25,27,32,32,32,33,35,41,42,47

The median is middle observation of the array.

Thebefore the median is 27

The mode is the number that occurs most.

The mode is 32.

The range is the highest observation minus the least observation.

The range is 47-9=38

The mean is given by:

$\bar x = \frac{9 + 11 + 12 + 12 + 14 + 17 + 25 + 25 + 27 + 32 + 32 + 32 + 33 + 35 + 41 + 42 + 47}{17}$

$\bar x = \frac{446}{17} = 26.24$

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3 years ago