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Ymorist [56]
2 years ago
8

Find (fog)(x) given f(x) = 2x2-x+1 and g(x) = 4x +3

Mathematics
1 answer:
Zolol [24]2 years ago
8 0

Answer:

fg(x) = 32x²+44x+16

Step-by-step explanation:

fg(x) = f[g(x)]

= f(4x+3)

= 2(4x+3)²-(4x+3)+1

= 2(4x+3)²-(4x+3)+1

= 2(16x²+24x+9)-4x-3+1

= 32x²+44x+16

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Please help me i really need help
joja [24]

Answer:

68

Step-by-step explanation:

15% of 80 is 12 so you subtract 12 from 80 and thats 68.

5 0
2 years ago
What is an inequality for x <12
natka813 [3]

X < 12                       its actually very simple , just see that the x is on one side and nothing can be moved        

4 0
3 years ago
The diagram shows a logo​
Charra [1.4K]

Answer/Step-by-step explanation:

✔️Find EC using Cosine Rule:

EC² = DC² + DE² - 2*DC*DE*cos(D)

EC² = 27² + 14² - 2*27*14*cos(32)

EC² = 925 - 756*cos(32)

EC² = 283.875639

EC = √283.875639

EC = 16.85 cm

✔️Find the area of ∆DCE:

Area = ½*14*27*sin(32)

Area of ∆DCE = 100.15 cm²

✔️Since ∆DCE and ∆ABE are congruent, therefore,

Area of ∆ABE = 100.15 cm²

✔️Find the area of the sector:

Area of sector = 105/360*π*16.85²

Area = 260.16 cm² (nearest tenth)

✔️Therefore,

Area of the logo = 100.15 + 100.15 + 260.16 = 460.46 ≈ 460 cm² (to 2 S.F)

5 0
3 years ago
I really need help with this Triangle problem​
hjlf

Answer:

30

Step-by-step explanation:

pythagoras theorem

x

{x}^{2}

=225 \times 2 + 225 \times 2 \\

=900

x=30

3 0
2 years ago
What is the GCF of 3 , 12 , and 18
Stella [2.4K]
Answer is 3 because it is the greatest common factor
3 0
3 years ago
Read 2 more answers
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