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Brilliant_brown [7]
2 years ago
14

F(x) = -4x^2+ 10 Find f(-2)

Mathematics
2 answers:
sveticcg [70]2 years ago
6 0
-6 should be the correct answer
NISA [10]2 years ago
3 0

Answer:

-6

Step-by-step explanation:

plug -2 into x

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If f(x)=2x-5, which expression represents f(x+1)? A) 2x-3, B) 2x-4, C)2x-5, D)2x+7
Dovator [93]
F(x)=x^2+2x+1 & g(x)=3(x+1)^2
now, f(x)+g(x)
=x^2+2x+1+3(x+1)^2
=x^2+2x+1+3(x^2+2x+1)
=x^2+2x+1+3x^2+6x+3
=4x^2+8x+4<===answer(c)
next:
f(x)=x^2-1 & g(x)=x+3
now, f(g(x))=(x+3)^ -1
=x^2+6x+9-1
=x^2+6x+8<====answer(b)
i solve two of ur problems.
now try the 3rd one that is similar to no. 1
and try the last two urself.
5 0
3 years ago
Item 2
ivanzaharov [21]

Answer:

The answer is 20m=8

7 0
2 years ago
Read 2 more answers
During the election for class president,
Y_Kistochka [10]

Answer:

100

Step-by-step explanation:

.6*500=300, .4*500=200

300-200=100

5 0
3 years ago
I don't understand tbh?​
Papessa [141]

yeah same but I'm writing an essay have fun byeeeee

4 0
3 years ago
Find the value of x that makes lines u and v parallel
gogolik [260]

Answer:

x = 4 for Lines U and V to be parallel

<u>Skills needed: HS Geo, Angle Theorems, Equations</u>

Step-by-step explanation:

1) We see that there are two angle measures given to us. There is an angle marked with the measure of 130°, and the other is marked with (33x-2)°.

  • First of all, these two angles are categorized alternate interior angles. They are on alternate sides of the transversal, and are within the two lines (not on the outer side of the lines). I will add an image for reference regarding this idea.
  • If 2 lines are parallel, alternate interior angles are congruent. This means that: 33x-2=130

2) Solving this equation is fairly straightforward.

  • 33x-2+2=130+2 (add 2 to both sides in order to get the 33x by itself.
  • 33x\div33=132\div33 (to get x by itself)
  • 132 divided by 33 is 4, and 33x divided by 33 is x, so x=4

--------------------------------------------------------------------------------------------------------------Hope you understood, have a great day.

7 0
2 years ago
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