Simplify the following and match it with the correct answer. If f(x)=2x+4 and g(x)=3x−7, find (f(x)+g(x)): Answer
If f(x)=−4x2−10 and g(x)=5x2−2x−3, find (f+g)(x): Answer
If f(x)=6x2−3x+5 and g(x)=4x2+5x−8, find (g−f)(x): Answer

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6

-3

step-by-step explanation:

a drawing really does here:

so i draw the horizontal line y=2 and the vertical line x=-2 at this intersection i put b (this is where my right angle is going to be).   so point b is at (-2,2).   point a is 5 units long and is also on y=2 so this point has to be (3,2) or (-7,2) -doesn't matter i will go with (3,2).

now we know c is at (-2,y) we don't know the y yet bet we know that c is on x=-2.

we have the area of the triangle is .5bh=12.5

we know the base length is 5 (ab)

we have the height is (2-y) if you look at your

plug in

.5(5)(2-y)=12.5

solve for y to get the y-coordinate for c

2.5(2-y)=12.5

divide both sides by 2.5 giving:

2-y=5

now subtract 2 on both sides

-y=3

y=-3

0.02040816326

i think it is 18

step-by-step explanation: