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Leviafan [203]
3 years ago
11

Plot the line for the the equation on the graph y-2=-2(x+4)

Mathematics
1 answer:
Murrr4er [49]3 years ago
7 0
Y=-2x-8+2
y=-2x-6
if x=0;Y=-6
IF y=0;x=-3
to plot the graph; plot point in -6 y-axis and -3 on the x-axis join them together then extend the line
hope u understood
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Let f(x)= (x^2+3x-4) and g(x)= (x+4)
RideAnS [48]
I. Multiply the first function by the second one.
f(x)*g(x) = (x^2+3x-4)*(x+4) = x^3 + 3x^2 - 4x + 4x^2 + 12x -16 = x^3 +7x^2 + 8x - 16.
The domain of this new function is the set of all real numbers (R). Other notation: from minus infinity to plus infinity. We came to this conclusion because the new function poses no restrictions; regardless of which x-value you take, you will get the appropriate y-value.

II. f(x)/g(x) = (x^2+3x-4)/(x+4) =
Ask yourself: which two numbers add up to 3 and multiply to -4? It's -1 and 4. Now we can represent f(x) as (x-1)(x+4).
Since we're dividing these 2 brackets by g(x)=x+4, we may now cancel (x+4). All that's left is x-1.
The domain here is the same as in the previous task - it is R.
8 0
3 years ago
Read 2 more answers
Find the area of the lateral faces of the right triangular prism with altitude of 5 cm and base edges of length 3 cm, 4 cm, and
Marysya12 [62]
Check the picture below.

the base of it is one of the triangles, and thus, the sides are just the 3 rectangles.

notice all you have is a 3x5 rectangle, a 5x5 one and a 4x5 rectangle.

get their area, sum them up, and that's the lateral, sides, area of the triangular prism.

(3 · 5)  +  (5 · 5)  +  (4 · 5)

6 0
2 years ago
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podryga [215]

Answer:

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Step-by-step explanation:

-xy+5x2y

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3 0
2 years ago
If sin x = .42, what is cos x?
34kurt
From the identity,
sin^2(x)+cos^2(x)=1
then 
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where sin(x) is given as 0.42.

Note that the above answer applies to 0<x<90 degrees
6 0
3 years ago
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