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Aneli [31]
3 years ago
14

Given that f(x)=x-3 and g(x)=x^2-x, find (f+g)(-2)​

Mathematics
1 answer:
mario62 [17]3 years ago
3 0

Answer:

(f + g)(- 2) = 1

Step-by-step explanation:

(f + g)(x) = f(x) + g(x) , thus

f(x) + g(x)

= x - 3 + x² - x

= x² - 3

Thus

(f + g)(- 2) = (- 2)² - 3 = 4 - 3 = 1

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If the flare is launched with an initial velocity of 144 feet per second, find the height after 2 seconds. The answer is not 288
Rashid [163]
H= ut -16 t^2

h = 144(2) - 16 (4)

= 288 - 64 = 224
4 0
3 years ago
Which number line shows the solution to<br> 11x + 14 &lt; –8?
GalinKa [24]

Answer:

D

Step-by-step explanation:

11x + 14 < -8

Cancel the addition by subtracting

11x + 14 - 14 < -8 - 14

11x < -22

11x / 11 < -22/11

x < -2

Therefore, the answer is D

8 0
3 years ago
1 litre is equal to how many decalitre​
hram777 [196]
1 liter = 0.1 decaliter

Divide the volume value by 10
4 0
3 years ago
I need to solve for x
Lady bird [3.3K]

Answer:

x=7

Step-by-step explanation:

\frac{x}{15}=\frac{8}{17}

17x=120

x=7.05882352941

x=7

Hope this helps! :)

8 0
3 years ago
Fencing encloses a rectangular backyard that measures 300 feet by 600 feet. A blueprint of the backyard is drawn on the coordina
liubo4ka [24]

Answer:

(x-15)^2+(y-30)^2=36

Step-by-step explanation:

we know that

The dimensions of the rectangular backyard in the actual are 300 feet by 600 feet

The dimensions of the rectangular backyard in the blueprint are 30 units by 60 units

therefore

If the radius of the circular flower garden in the actual is 60 feet

then

the radius of the circular flower garden in the blueprint is 6 units

Find the center of the radius in the blueprint

Remember that the circular flower garden is in the center o the backyard

so

To find out the center, determine the midpoint of the rectangular backyard

C((0+30)/2,(0+60)/2)

C(15,30)

The equation of a circle in center radius form is equal to

(x-h)^2+(y-k)^2=r^2

where

(h,k) is the center

r is the radius

we have

(h,k)=(15,30)\\r=6\ units

substitute

(x-15)^2+(y-30)^2=6^2

(x-15)^2+(y-30)^2=36

4 0
3 years ago
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