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statuscvo [17]
2 years ago
9

If c(x) = 4x − 2 and d(x) = x² + 5x, what is (c.d)(x)?

Mathematics
1 answer:
snow_lady [41]2 years ago
6 0

Answer:

4x^2+20x-2

Step-by-step explanation:

To find (c.g)(x) we basically use the function d(x) as your variable, x, and plug it into c(x). So we replace every x in c(x) with the function d(x), x^{2} +5x

c(g(x))=4(x^{2} +5x)-2

c(g(x))4x^2+20x-2

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If y = x² - 6x + 11 is written in the form y = a ( x - h )² + k, find the value of ( a + h + k).
Crazy boy [7]

Answer:

6

Step-by-step explanation:

y = x² - 6x + 11

Complete the square.

y = x² - 6x + 9 + 2

y = (x - 3)² + 2

a = 1, h = 3, k = 2

a + h + k = 6

4 0
3 years ago
Read 2 more answers
Stacy bought gas for her car . Gas cost$143.54 per liter. Stacy bought 12.4 liters. What was the total cost for Stacy gas expres
UNO [17]

Answer:

$1779.896

Step-by-step explanation:

From the above question

1 liter = $143.54

12.4 liters = $x

Cross Multiple

1 liter × $x = 12.4 liters × $143.54

$x = 12.4 liters × $143.54/1 liter

$x = $1779.896

Therefore, the total cost for Stacy gas in dollars and cents is $1779.896

8 0
2 years ago
Please help me so much quick :)
Nadusha1986 [10]

Answer:

22 < x < 74

Step-by-step explanation:

Given 2 sides of a triangle with third side x , then

difference of 2 sides < x < sum of 2 sides , that is

48 - 26 < x < 48 + 26 , so

22 < x < 74

6 0
2 years ago
A holding tank containing 3000 gallons of oil is been at the rate of 130 gallon per hour of six hours and then filled at the rat
serious [3.7K]

Answer:

2520 gallons

Step-by-step explanation:

3000 gallons -780 gallons drained over 6 hours then add 300 gallons over three hours = 2520 gallons

8 0
3 years ago
Layla is saving up money for a trip. She already has $650 saved and plans to save an additional $150 each month for the trip. Co
jonny [76]

The amount of money that Layla has saved, s, is going to be what the equation equals. She earns $150 each month, so that would be 150m (slope intercept form equation s=em+b). B is the y-intercept, or the amount that Layla already has saved, which is positive $650.

Your equation is:

s=150m+650

I hope this helps :)


8 0
3 years ago
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